Holly's Bike Shop sells bicycles and tricycles. Holly wants to know how many
bicycles she has in her store. She asks an employee to count for her. The
employee counts them and says, "There is a total of 15 bicycles and tricycles
in the store. The total number of wheels in the store is 36." How many
bicycles are in the store?

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³

2pointswhich of the following appear in the diagram below? check all that apply.d a. zcdeов. сеo c. aéo d. zdce