How much dollars is in 14 quarters and 5 nickels

Step-by-step explanation:

1 dollar = 4 quarters

1 dollar = 20 nickel

1 nickel = 0.2 quarter

5 nickel = 0.2 x 5 = 1 quarter

14+ 1 = 15 quarter

15 quarter = 3.75$

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.