Solve for a when b = 4 and c = 5. 3(c + 6) – 4b = 2b – 16 + 5(a + 1)

Alarge rectangle is divided into four smaller rectangles.

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details