Choose 1 answer. Which expression is equivalent to -0.2 - 4.9?

A. -4.9 + 0.2
B. -0.2 + (-4.9)
C. 0.2 - (-4.9)
D. -0.2 + 4.9

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.