The answer is A (a mountain climber descending a mountain.
This sis the answer because it is the only option with a decrease. When something decreases, a negative value (a number) represents the amount it decreased.
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Answer:
D
Step-by-step explanation:
(a+4)(a-2)=a^2+2a-8
a*a=a^2
a*(-2)=-2a
a*4=4a
4*(-2)=-8
a^2-2a+4a-8=a^2+2a-8
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:
The value of 8 in the number 33.086 would be the hundredth
Step-by-step explanation:
30 would be the ten
3 would be the one
.0 would be tenth
.8 is the hundredth
.6 is the thousandth
1: 8 faces and 9 with the base 9 vertices and 16 edges
2: 3 faces and 5 with the bases 6 vertices and 9 edges
3: 3 faces and 4 with the base 4 vertices and 6 edges
Hope this can help you.