Which of the following correctly lists angle pairs that have sums of 180° and 90°?
a. adjacent angles, congruent angles
b. complementary angles, vertical angles
c. supplementary angles, complementary angles
d. vertical angles, adjacent angles

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

How do you determine whether a relationship represented as as graph is linear or nonlinear