John hikes about 3 miles every hour but when it's hot he swims for half of hour after every 4 miles how long does it takes him to hike 9 miles

Find the area of a trapezoid with bases 14 cm and 18 cm and height 10 cm. 160 cm2 140 cm2 180 cm2 126 cm2

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39