Which expressions are equivalent to 2 (x + 3/2) - 4 (x - 9)

1) 37x

2) - 2x + 39

3) 2x + 39

4) 2x + 3 - 4x + 36

Simplify: | 12^x-8 | = 2sqrt3

If x=1 and y=2, what is the value of the expression 2x^2-3xy

What are three terms in the sequence 4096, 1024, 256, 64

What is the simplest form of the ratio 18b^2 to 45b

Prove a∩b = ia * ib = min{ia, ib} for any two sets a and b.

Find four consecutive integers such that twice the first subracted from the sum of the other three integers is 16.

2. A package of ground beef costs $6.98. The price per pound is $3.86. How many pounds of ground beef are in the package? Round to the nearest hundredth.

Which expression is equivalent to (st) (6) ? s (t (6)) s (x) * t (6) s (6) * t (6) 6 * s (x) * t (x)

Two cars are 312 miles apart and travel toward each other on the same they meet in three hours. One car travels 4 mph slower than the other. What is the average speed for each car?

Solve the system of equations using the linear combination method. {4j-2k=265j-2k=35 Enter your answers in the boxes.