Using the rule y = 8x + 5, find the value of y when x is 6.

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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