William jarred 15 liters of jam after 3 days. how many days does William need spend making jam if he wants to jar 45 liters of jam in all?assume the relationship is directly proportional

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)