A student scored 68, 79, and 98 on three algebra tests. what must he score on the fourth test in order to have an average grade of at least 85?

Vlad spent 20 minutes on his history homework and then completely solved x math proplems that each took 2 minutes to complete.

A sample of 4 different calculators is randomly selected from a group containing 19 that are defective and 36 that have no defects. what is the probability that at least one of the 4 calculators in the sample is defective?

HOW is shape important when measuring a figure?

I have a large (24" diameter) mushroom and sausage pizza. I can only make 5 cuts, what is the maximum amount of pieces I can cut the pizza into? (Hint: it is more than 10 pieces)

A butterfly population is decreasing at a rate of 0.82% per year. There are currently about 100,000 butterflies in the population. How many butterflies will there be in the population in 250 years?

Which type of correlation would you expect to see between the weight of a dog and the amount of food the dog eats? Positive Negative None

The sum of 3 times a number and 6=2 variable b

Find the value of x2 - 7x + 9 when x = 6. The value of the expression when x = 6 is

What is the degree of 7x^7+10x^4+4x^3-5x^11-10x^6-6x^7?

Round 46.895 to the nearest tenth