Solve for x.

13 (x - 3) = 39

What's the answer?

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?

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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