A plumber charges $75 for the service call and $25 per hour (h) for repairs. Write an algebraic expression to represent the total bill for all plumbing services.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Explain why the factor 1.5 is broke. into two numbers in the model.

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest