The cost to manufacture a calculator is represented by the expression x 4 + 5, where x is the number of calculators. Find the cost of manufacturing 8 calculators.

If x=4, which of the following expressions does not equal to 9

Paula invests £4500 in a savings account that pays n% simple interest per annum. At the end of six years their is £5025 in the account. Find the value of n

What is another way to write 28*32 as a product of binomials using mental math

At school of the girls who tried out for the basketball team 12 were selected. Of the 40 boys who tried out 16 were selected are the ratios of student the equivalent? How do you know?

Solve for the variable 8=y-3

Shop Rite has jeans on sale for 3/10 off. Save more has jeans on sale for 33% off. Which store has a better sale on jeans?

How do you divide hundreds : hundreds

What is the best estimate for finding the square root of 24.

Assume that 1100 births are randomly selected and 10 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high.

Yancey collects plastic banks. He has three different banks: a pig, a cow, and a horse. How many ways can Yancey arrange his banks on a shelf.