Martin has tiles with all prime numbers under 20 (1, 3, 5, 7, 11, 13, 17, 19). He places them into a bag. If he selects one tile from the bag two times without replacing them, what is probability that he will select a prime number less than 10 both times?

Math each whole number with a rational,exponential expression

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3