Mike had $12. He bought a book for $4 and a record for $5. How much did he spend?

Find the second smallest number that has 1,2,3,4 and 5 as factors

Which graph most likely shows a system of equations with no solutions?

A health food producer has 250 samples of a new snack to distribute in the mall. The producer has to keep at least 50 samples on display in the heath-food store for the product launch.

Solue for n (M+n) / p=r

Assume that x is a random variable in a probability distribution with mean μ and standard deviation σ. find expressions for the mean and standard deviation if every value of x is modified by first being multiplied by 4, then increased by 5.

Find b and c so that (5, b, c) is orthogonal to both (1,2,3) and (1,-2,1)

An office has an area 120 square meters and a width of 12 meters write an equation to represent the area

Using a decimal rounded to the hundredths, what is the probability of drawing a jock or a red card from a standard deck of playing cards?

Food high in B12 vitamin

Three numbers X, Y, and Z are in the ratio 2:7:8. If 12 is subtracted from Y, then three numbers form a geometric sequence (in the order X, Y-12, Z). Find X, Y, and Z.