Convert the following mixed numbers to improper fractions:   (a) [answera]   (b) [answerb]   (c)  [answerc]   (d) [answerd]

72 is what percent of 7200?[answer1]

Sam can prepare 20 wall paintings in four weeks.  How much time will he need to prepare 80 wall paintings?

Convert the following improper fractions to mixed numbers:   (a)   [answera]   (b)   [answerb]   (c)  [answerc]   (d) [answerd]

Determine the rate and the unit rate for:  9 kg of mangoes costs $12   (a) The rate is[answera]   (b) The unit rate is[answerb]

For problems (a-d) use the number:   8,204,719,365.77276 (a)  What digit is in the hundred thousands place?[answera]     (b)  What digit is in the hundredths place?[answerb]   (c)  What digit is in the billions place?[answerc]     (d)  What digit is in the ten thousandths place?[answerd]

Use equivalent ratios to find the unknown value:   (a) [answera]   (b) [answerb]   (c) [answerc]   (d) [answerd]

This hormone sustains milk production after birth.

The importance of fontanels in the infant’s skull is to permit some movement of bones, thereby enabling the infant to pass more easily through the birth canal.

The cardiac and vasomotor centers are located in the