Hi I’m really sorry and please don’t use this just to get points I really need help but please help with 15-23 ? I will give brainliest if correct

Use the graph of the sine function y=2sinθ shown below

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'