Given two matrices and , find 4[] + 2[]. Please note the matrices are written as 3-by-3 tables. Matrix B Cols Rows -10 1 5 -6 -4 3 -8 6 2   Matrix A Cols Rows 4 -6 10 -7 -5 6 3 1 -2

How many solutions does the system of linear equations below has?

Match each equation with the graph of a function shown above. (exponents are denoted with the ^ symbol, example ab^x means )

Find all the solutions to the following system. Enter any square root as sqrt(a) 

Select the two inequalities whose intersection is the shaded region.

An exponential function passes through the points and . what are the values of a and b? [answera] [answerb]

The polynomial of degree 4, , has a root of multiplicity 2 at and roots of multiplicity 1 at and

Write the following sum and difference of logarithms as a single log. Assume all variables are positive.

The equation for the graph above can be written as 

A wooden artifact from an ancient tomb contains [x]% of carbon-14 that is present in living trees. How long ago, to the nearest year, was the artifact made? (Use that the half-life of carbon-14 is 5730 years).