Richard and Teo have a combined age of 26 . Richard is 5 years older than twice Teo's age. How old are Richard and Teo?

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?