Answer:
Step-by-step explanation:
$21.75/(3 crabs) = $7.25/crab
17. Subtraction. According to the order of operations, he should've done the exponent of 3 first.
18. He then did 15×2. According to the order of operations, he should've done the multiplication of 8×2, since, if there are only multiplication and/or division left, you work left to right. He isn't correct.
19. 16, I think, I did it in my head.
3x - 1 = 3x -1 because it's reflecting itself
Answer:
-7
Step-by-step explanation:
-12x = 84
/-12 /-12
x = -7
Step-by-step explanation:
Which of the ten basic functions in
our toolkit have an infinite number of
local extrema?
a) cos(x), 2
b) sin(x), cos(x)
c) In(x), cos(x)
d) sin(x), x2
