There are 4 boys for every 10 students in Ms. Day's math class. If there are 30 girls in her class, how many boys are there? (with explanation)

5 (x+4) = 6x-5. I got x=25 is that correct?

find the medians of the lower quartile and the upper quartile of these numbers: 30, 45, 40, 37, 37, 40, 42, 38, 37, 42, 43, 38

25/80 in simplest form

Which value can be added to the set below without changing its mean? {4, 10, 14, 18, 22, 22} O 0 O 15 O 16 O 22

What is the angular coefficient of y=4-2x

A library charges a late return fee of 3.50 plus $0.15 per day that a book is returned late write a equation to find the total late fee f for any numbers of days late d

What is the product of 45.67 x 32.58?

If you apply the changes below to the linear parent function f (x) = x what is the equation of the new function vertically compress by 1/4 over the y-axis

A science class measured the mass of a balloon to be 4 grams. After the balloon was inflated the mass was 8 grams. What was the mass of the air inside the inflated balloon?

What is 38.97 as a fraction?