Drew was earning $14 an hour. He got a 7%
raise and now earns
$14.98. Write an
expression to show how
his new hourly rate was
calculated.

A. 14x1.7
B. 14x 1.07
C. 14.90 x 1.07
D. 14,90 x 17

the answer is B

Step-by-step explanation:

x1.07 means an increase of 7%

so answer is 14 x 1.07, B

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d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.