Your state charges 10 % of gas tax gas. cpst 2.50 per gallon if you get 6 gallons how. much will your total be

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

In which form is the following function written? y = - 2(x – 3)(x + 5)

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?