Answer:
Step-by-step explanation:
Answer:
12,495 is the answer
Step-by-step explanation:
All of the answer choices that you are given are incorrect. I have calculated it in all different ways and get the same thing and it is none of those. The correct answer would be -75 though.
21.
So to solve for the value of a variable in an equation, you would need to isolate x on one side. The first thing you have to do is multiply 2 and (x + 7) together, which can be rewritten as 2(x) + 2(7). After multiplying, your equation would be:
, or A.
22.
So the rule with multiplying exponents with the same base is to add the exponents together, and the rule with dividing exponents with the same base is to subtract the exponents. Your equation will be simplified as such:

Now the rule with converting negative exponents into fractions is
. In this case, 4^-2 would turn into
, or C, which is your final answer.
Answer:
yes
Step-by-step explanation:
9514 1404 393
Answer:
$128
Step-by-step explanation:
Bob's total earnings were ...
$8 + ($10/day)(6 days/week)(2 weeks) = $8 +$10·6·2 = $128
Bob earned a total of $128.