12. A submarine submerged at a depth

of - 40 ft dives 57 ft more. What is

the new depth of the submarine?

The high school's lunch menu repeats every 6 school days. The middle school lunch menu repeats every 8 school days. On March 5th, both schools served chicken wraps. What is the next calendar date on which both schools will serve chicken wraps?

At t=0, a rock is dropped from rest from the top of a building 256 ft high. With what velocity will it strike the ground? What is it acceleration

How many sides does a polygon have with an interior angle of 108?

Solve the following equation for x. 11/10 - (5x-3) = 1/4x-12

Determine whether the two expressions are equivalent. If so, tell what property is applied. (20 - 4) - 2 and 20 - (4 - 2)

Lee put $10,000 into a stock market index mutual fund that grew at an average of 7% per year for 10 years. About how much is in Lee's mutual fund account after 10 years? Ignore compounding.

How many, and what type of, solutions does 6x^2 - 2X + 7 = 0 have? 1 rational solution 2 no real solutions 2 rational solutions 2 irrational solutions

Alice worked for six hours and earned $29.88. How much did she make per hour? A) $4.30 B) $4.98 C) $5.15 D) $179.28

Which expression is equivalent to 4/5 X 1/3? 1. 4/3 X 5/1 2. 4/5 divided by 1/3 3. 4/5 divided by 3/1

Describe and correct the error in writing 39/40 as a percent 39/40 = 0.975 = 9.75/100=9.75%