Write an expression using variables for the sum of two consecutive numbers

Factor the expression 7x²+15n-18

Covalent solids consist of an ordered array of

Hevesh wants to make 2 lines of dominoes that are both 21 inches long. Each line has dominoes spaced 1 and 1/2 inches apart. How many dominoes will she need for both lines?

The math club has 16 members 2 girls and 14 boys what is the ratio of girls to boys in the math club

The sum of three consecutive numbers is 135 What is the smallest of the three numbers?

You flip a coin three times. a. what is the probability of getting heads on only one of your flips? b. what is the probability of getting heads on at least one flip?

woodland middle school $1,710 on calculators for the 180 students in the school. What is the rate spent per calculator?

Aliyah had some candy to give to her four children. She first took ten pieces for herself and then evenly divided the rest among her children. Each child received two pieces. How many pieces did she start with?

Park two has 12 more benches than Park one. If 2 benches were transferred from Park two to Park one, then Park two would have 2 times more benches than Park one. How many benches were originally there in Park two?

78362 divided by 509