Which pair of numbers have a gcf of 7? choose all answers that are correct. a. 7 and 14 b. 7 and 1 c. 28 and 7 d. 21 and 3

Plz ! what is the volume of this pyramid? with numbers of 30cm 14cm 18cm

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.