Question

HELP ME HELP ME HELP ME
HELP ME , PLEASEEEEEE !!!!!!

Answer 1

7.5

Explanation:

triangle ABC and XBY are similar so the sides are in proportion

BX /BY = BA /BC

4/6 = 5/BC; cross multiply

4*BC = 5*6 ; divide both sides by 4

BC= 5*6/ 4 = 30 /4 = 7.5

Answer 2

i dont know

good luck

Explanation: