What is the unit rate for 7 phone calls in 2 hours

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w