Effie (age 8) is presented with two identical balls of clay. The experimenter rolls one ball into a long, thin shape; the other remains in its original ball form. Effie is then asked if there is more clay in the ball or in the long, thin piece of clay. If Effie answers the problem correctly but cannot use abstract reasoning yet, Effie is most likely in which stage of Piaget’s cognitive developmental theory?

Should the chazzan say the berachah of Modim out loud when the congregation is saying Modim d’Rabanan?

Solve the problem. Round your answer to the nearest tenth unless otherwise indicated.Last week, Brian earned $345 while Lucy earned $518.  $345 is what percentage of $518?

Decide which of the two given prices is the better deal. The same kind of water is sold in two types of bottle. Which type has the lower unit price?Five 10-oz bottles for $2.30Seven 12-oz bottles for $4.20

Use the compound interest formula for compounding more than once a year to determine the accumulated balance after the stated period.$16,000 deposit at an APR of 4% with semiannual compounding for 12 years.

Solve the problem. Round your answer to the nearest tenth unless otherwise indicated.901 people voted for the incumbent candidate out of 1866 voters. What percent voted for the incumbent?

Decide which of the two given prices is the better deal. You can buy laundry product in a 30-ounce bottle for $6.00 or in a 24-ounce bottle for $4.08.

Determine the perimeter of the figure below.  

Write an equation for the linear function and use it to answer the given question.  The cost of renting a car is a flat $26, plus an additional 0.23 cents per mile that you drive. How far can you drive for $87?

Answer the question.You intend to create a college fund for your baby. If you can get an APR of 3% and want the fund to have a value of $119,906 after 16 years, how much should you deposit monthly?