50 Which of the following expressions has a value of 1.25?
(A) (2.5)(-0.5)
(B) -(2.5)(0.5)
(C)(-2.5)(-0.5)
(D)-(-2.5)(-0.5)

c (-2.5)(-0.5)

Step-by-step explanation:

negative times negative is positive

2500

step-by-step explanation:

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