Miguel made $40,000 in taxable income last year. Suppose the income tax rate is 10% for the first $7000 plus 16% for the amount over $7000. How much must Miguel pay in income tax for last year?

Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

Acertain drug is made from only two ingredients: compound a and compound b. there are 3 millimeters of compound a used for every 4 millimeters of compound b. if a chemist wants to make 693 milliliters of the drug, how many milliliters of compound a are needed?

Marie is creating a cross stitch pattern with rectangles all the same size. what is the perimeter of each rectangle with sides of lengths 3/4 inch and 2/3 inch