Simplify:

-4a + 2(a + 9)
a. -2a + 9
b. -2a + 18
c. 2a + 9
d. 2a + 18

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?

Write the equation in logarithmic form 8^x=64