Answer:
Step-by-step explanation:
a) 6x-8
b) -18x^2-15
c) x^4+2x^3+7x^2
1,500
1,382 + 966
Rounding to the nearest hundred would be:
1,400 + 1000
= 1,500
27 years
21 × 2 = 42
42 - 15 = 27