If i spend 3/4 of an hour working on homework and 5/6 of that time working on a math assignment, what fraction of an hour did i spend on math

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

For what values of x is x2 + 2x = 24 true?