John just ate a piece of pie that was 350 calories. how long would he have to bike at 10 mph to work off the pie? 32 minuets 87.5 minutes 50 minutes?

An arrow is shot vertically upward at a rate of 180ft/s. use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 420ft. round your answer(s) to the nearest tenth of a second.

What dimensions can créate more than one triangle ?

Asap! i'm not good math and i'm lost.