4bags of cement do 18m^2, how many m^2 can be done with 7 bags

Which of the following is true for the relation f(x)=2x^2+1

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

How do you write a paragraph proof to prove that the corresponding angles shown are congruent