SAT prep: Prove that 3x - 4 (5 - x) is equivalent to 7x - 20

A new roll of wrapping paper has 6 5/8 yards of paper. Drew used 2 1/6 yards from the roll to wrap a gift. Which equation most closely estimates the number of yards of wrapping paper left on the roll?

2) If m∠A = 110 degrees and m∠B = 35 degrees, find m∠1

What does 125 have in common with a^3 when 125 is written as a power?

Does congruent mean angles each have a measure of 90

15.60 to 11.70 what is the percent of change

If r = 20 and t = 4, find d if d = rt. d = ?

How many groups of sixty are in two hundred forty-four and how much remains

You have a total of 21 coins, all nickles and dimes. The total value is $1.70 Which of the following is the system of linear equations that represent this scenario? Let n = the number of nickles and let d = the number of dimes.

An angle measures 2 degrees more than 3 times its complement. find the measure of its complement.

Convert 12.4 hours to hours and minutes.