James has a model helicopter. the model is 8 inches long and 7 inches wide. the actual helicopter is 56 inches long. what is the helicopter’s actual width, if we assume the model’s proportions are accurate?

Elijah and his sister went to the movies. they had $34 altogether and spent $9.50 per ticket. elijah and his sister bought the same snacks. write and solve an inequality fotlr the amount that each person spent on snacks. interpret the solition

Bring the fraction a/a-4 to a denominator of 16-a^2

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.