(X+3)(x+5)

Expand and simplify?

X^2 + 8x + 15

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.

If you divide 0.1 and 0.6 you wii get 0.166666 which rounds to .167 which is answer b