Solve the following system:
y = x + 3
4x + y = 18
a.(6,3)
b.(3,6)
,6)
d.(3,-6)

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.