Answer:
Square root of 16 is not 16
Answer is x = -7 and x = -3
<span> x2 + 10x = -21
</span><span> x2 + 10x + 21 = 0
</span>(x +3) (x +7) = 0
(x +3) = 0
and
(x + 7) = 0
so x = - 3 and x = -7
818.65 is the correct answer . you just subtract
Answer:
185
Step-by-step explanation:
60(1 hour)+90(45x2hours)+35(1 hour)= 185
If i am correct, i think the answer is B