Use properties of exponents to solve for a and b in the problem below. No calculator allowed.

Use the inverse of the function y=x^2-18x to find the unknown value [tex]y = \sqrt{bx + c \: + d} [/tex]

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

Two numbers have a sum of 93. if one number is p, express the other number in terms of p.