Use substitution to solve the system of equations.

y = 4.5x + 7.5
y = –3.5x – 4.5

A. x = –1.5, y = –0.75

B. x = 1.5, y = 0.75

C. x = 1.5, y = –0.75

D. x = –1.5, y = 0.75

Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10

Draw a tape diagram to represent each situation. for some of the situations, you need to decide what to represent with a variable andre bakes 9 pans of brownies. he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?