Use the substitution method to solve the following system of equations:
3x + 5y = 3
x + 2y = 0
a(1, 1)
b(6, −3)
c(6, 1)
d(1, −3)

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i