12. On Saturday, Mrs. Armour bought 7 pairs of socks for $3 each, and a

sweater for her dog for $12. Then she found a $5 bill on the sidewalk.

Over the course of Saturday, what was the change in the amount of

money Mrs. Armour had?

How to solve - 3z+1=7 step by step

3) Which measure of center best represents the set of data? Explain your reasoning and calculate the measure of center. number of television sets in the home:4,4,2,4,4, 1, 3, 4, 2,

Studies have shown that some medications can damage mitocondria. Which of the following would you predict to be the most likely long-term effect on an organism with damaged mitocondria? A.

What does parallel mean?

Becky put $100 into in the account to use for school expenses. The account earns 11% interest, compounded annually. How much will be in the account after 6 years?

Which of the following are solutions to the equation below? x^2-6x+40=6x+5

Malcolm is driving 1,323 miles from Wichita to Charleston for a family reunion. He drives 443 miles the first day and 409 miles the second day. Round each distance to the nearest ten and estimate about how many miles Malcolm has left to drive.

What's an example of an integer word problem in addition?

Each person on a boat ride pays $26 for a ticket. There are 63 passengers. How much money is collected from all the passengers?

Let the random variable x have a discrete uniform distribution on the integers 8 ≤ x ≤ 10. determine the mean, μ, and variance, σ2, of x.