What is the result of subtracting the second equation from the first?

87 - 4y = - 4

-3.7 + 4y = 5

I bought 300 barrels of used electronics components at $3 per barrel, and 120 of them were ruined in my leaky storage building. At what price per barrel must I sell the remainder so as to suffer no loss and break even?

The number of men in a tour group is 15 times the number of women. If there are 48 people in the group, how many are men? A. 45 B. 30 C. 15 D. 10

The number of students to adults is 10:2 if there are 477 students how many teachers are there

C) Simplify fully ехехехехf divided by exexex fxf

If y = 2x2 - 4x, what is the value of y when x equals 5.

Aiden weighs 39 pounds less than his brother Jacob. Jacob weighs more than 100 pounds. what could be the weights of the two brothers?

Is the relation a function? Select Yes or No for each relation. (3,3), (3,-2), (-2,4), and (1,-6) (3,3), (5,-2), (-2,4), and (1,-2) (3,3), (5,-2), (-2,4), and (5,9) (3,3), (5,-2), (-2,4), and (4,9)

When two births are randomly selected, the sample space for genders is bb, bg, gb and gg. assume that those four outcomes are equally likely. does the mean of the sample proportions equal the population proportion of girls in two births?

A student bought a pair of sunglasses in the USA. He paid $35.50 In England, an identical pair of sunglasses costs £26.99 The exchange rate is £1 = $1.42 In which country were the sunglasses cheaper, and by how much?

What is the actual distance between Saugerties and Kingston