13=2f+5 f=two step equation

On the last day of a Shakespeare class, an English teacher asked her students which play they liked most. So far, 4 students reported liking Twelfth Night best, while 8 students reported other favorites.

Sum of the series with last term a7 = 234,375 and common ratio r=5

If you were to pull colored marbles out of the bag (one at a time, and putting the marble back each time) for 500 tries, approximately how many times would you select a red marble?

The radius and circumference of several objects were measured. Which best describes the strength of the correlation, and what is true about the causation between the variables? It is a weak positive correlation, and it is not likely causal.

A car travels 400 km in 5 hours (with a constant speed). How far can it travel in 3 hours (with the same speed) ?

A class conduct a survey of 1000 students 6% of the students have forgotten their locker combinations how many students have forgotten their locker combinations

What is the answer too this (3x+3) (x+4)

If i hace 2 f's and i am homeschooled will i get held back and repeat the 7th grade?

6*10^-2 is how many times as 2•10-8

If 5 potatoes together have a mass of 1 kilogram and 8 pears together have a mass is 1,200 grams, which has the greater mass, a potatoe or a pear? Explain.