3x 1 = y 10x - 4y = -8

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Evaluate 5 + 6 · 2 – 8 ÷ 4 + 7 using the correct order of operations. a. 22 b. 11 c. 27 d. 5