Amy is thinking of a number. this number decreased by 18.8 is 77.2. Find Amy's number

13²ˣ⁻¹ = 1 Solve for x.

3 solutions for equation y=7x

Kevin and randy my use have a jar containing 64 coins all of which are either quarters or nickels. The total value of the coins in the jar is $12.60. How many of each type of coin do they have?

Find the range of the given data set. 55, 57, 39, 72, 46, 53, 81

Factor completely 4x^2-32 4 (x+4) (x-4) 4 (x+4) (x-8) 4 (x^2-8) Prime

A box of 100 computer chips contains eight defective chips. suppose we selected a random sample of 10 chips from that box. find the probability that the sample had: a. at least one defective chip b. all defective chips c. nine defective chips d.

What is the answer to this question 2 (3x-5) + 3 (2x+3)

If you place $1,000.00 in a savings account with an interest rate of 5.25%/month, how much should you earn in interest at the end of the month?

What is the value of expression 16 - (2+4) * 2

3/10 You eat of a coconut. Your friend eats 1/5 of the coconut. What Fraction of the coconut do you and your friend eat? For big ideas math