Can u help me on the last one??

y=22

Step-by-step explanation:

the denominator of the first fraction is multiplied by 2 to get the denominator of the second fraction, so the numerator of the first fraction has to be multiplied by 2 to keep the two fractions equal to each other.

answer:   28.56 feet (approx)

step-by-step explanation:

since, triangle abc has measure of angle c equal to 55 degrees, measure of angle abc equal to 90 degrees, and length of bc equal to 20 feet.

we have to find out the measurement of segment ab.

therefore, tan 55° =

but bc = 20 feet.

⇒ tan 55 ° =  

⇒ ab = 20 × tan 55 °

⇒ ab = 20 × 1.42814800674

⇒ ab = 28.5629601348   ≈ 28.56 feet

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