Someone help. pls and ty answer only if u know the answer pls

Find an equation for the linear function which has slope -10 and x-intercept -7

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Carl is hanging pictures in his home. there is a space on a wall that has a width of 4 feet. carl has pictures with different widths. which picture width would fit in the space on the wall? a. 46 inches b. 60 inches c. 50 inches d. 54 inches