What is the slope of the line with equation y = - 7x?

What are all the parts of an algebraic expression and can you define them?

Lucy's family purchased one sweatshirt and 4 t-shirts for $110. Mark's family bought three sweat-shirts and 4 t-shirts for $200. Determine the cost of a t-shirt and a sweatshirt.

Express the fraction notation 1 2/3

Three times the square of a certain positive number exceeds six times the number by nine. find the number:

Which of the following is a logarithmic function? y = log3x Y=3^x y = x + 3 y = x^3

Show that cos2x=cosx

Is 3/6 greater than 0/6

Round 138 to the nearest hundred

What is cos^2x (sec^2x - 1)

Sam will buy apples that cost $0.89 per pound. The total cost of the apples is proportional to the number of pounds he buys. Write an equation to model the situation. Let c = total cost and n = number of pounds.