What is the value of the expression 1 – r – a when r = 20 and a = 6?
a. –27
b. –25
c. –15
d. –13

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

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Once george got to know adam, they found that they really liked each other. this is an example of what factor in friendship