Answer:
180
Step-by-step explanation:
for 40 to be equal to 80 in percentages, the number has to be duplicated
5 and 7
5 + 7 = 12
5 x 7 = 35
Answer:
6
Step-by-step explanation:
Because ⅔ goes into 3 ⅓ 6 times.
Answer:
B (√6)/4
Step-by-step explanation:
The smallest multiplier that will make the denominator of the fraction into a perfect square is 2, so you have ...

_____
Answer choice D is also a correct rationalization of the denominator, but is not simplified as far as it can be. √24 = 2√6, so a factor of 2 can be cancelled from numerator and denominator, giving answer choice B.
Answer:
w
=
q
z
+
4
Step-by-step explanation:
Solve for w by simplifying both sides of the equation, then isolating the variable.