Determine whether y varies directly with x if so find the constant of variation and write the equation (A and b are shown)
C. Yes;k=3 and y=3x

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

What are the triple angle formulas? is it related to double angle identities?

Adoughnut shop charges $0.50 for each doughnut and $1 for a carryout box. shirley has $10 to spend. which inequality can be used to find d, the number of doughnuts she could have bought if she also wants them in one carryout box?