Which two expressions are equivalent? A. 4 + (3 •y) and (4 + 3) • y
B. (18 = y) + 10 and 10 + (y - 18)
C. 12 - (y • 2) and 12 – (2•y)
D. (10 - 6) + y and 10 – (6 = y)

do you have the measurements?

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x