Answer:
3 angles?
Step-by-step explanation:
Answer:
20 cm^2
Step-by-step explanation:
Sectioned it off and multiplied the length by the width
<span>b^4 − b^3 + b − 1
=(</span><span>b^4 − b^3) + (b − 1)
= b^3(b - 1) + (b - 1)
=(b - 1)(b^3 + 1)</span>
Answer:
B 9, -9
Step-by-step explanation:
x^2 - 81 = 0
Add 81 to each side
x^2 = 81
Take the square root of each side
sqrt(x^2) = sqrt(81)
x = ±9
Answer:
$372.330
Step-by-step explanation:
if 1 mile = $0.45 and you want to find out 827.4 miles
you should multiple $0.45 × 872.4
1 mile : $0.45
827.4 × $0.45 = 372330
827.4 : $372.330