Which expression is prime?

a. x2 + 3x + 2

b. x2 + 8x + 7

c. x2 + 8x - 22

d. x2 + 12x + 27?

Which of the following is a rational number? 148, 49, 50, 51

Evaluate each expression. (25^-3/2) ^1/3

If tan theta=-3/8, which expression is equivalent to cot theta

One half of the birds at the pet store are yellow birds. Tara buys one of the yellow birds. then one third of the birds at the store are yellow. how many yellow birds were at the pet store before tara bought one?

Find two consecutive integers whose sum is 19

What is (24 dived by 3) 3 and show work

Explain why or why not 19.7 is reasonable value for the expression 122.14 divided by 6.2

In 3/4 pound of a spice mix, there is 5/6 cup of cinnamon. How much cinnamon does the spice mix contain per pound?5858 cup 9/10 cup 1 1/9 cups 1 3/5 cups

What is y when x = 60?

Calculate the mean and standard deviation 3,5,6,9,11,12,17