Answer: D. 143
Step-by-step explanation:
31 times 4.26 = 132.06 + 10.908 = 142.968 which simplifies to 143 because you round up.
<span>89 is the correct answer.
</span>
Answer:
24/30
Step-by-step explanation:
Simplifying this, we get:
(x+4)(x-4) = 0
Now, to get 0, we can replace x for one of these things to make 0, so:
x can either be 4, or -4
-9x7 mutiplies to be -63, and add up to be -2.