If two girls have 280 dollars and one spends 2/3 of it and has 36 dollars left. how much does the other girl have left if she spent 3/4 of it?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?