Pomuc prosze to na teraz prosze prosze :)

Secant be and cf intersect at point d inside a what is the measure of cde

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?