I am a 2 digit number my digits have difference of 7

Darren practiced piano 5 days this week. He practiced 3/4 of an hour each day. How many hours did Darren practice piano this week?

Melanie's food bill at a restaurant is $28.45, the sales tax rate was 6%. if she added 20$ of the amount before tax as a tip, what was the total cost of the meal

Joe is going to make 24 of the small cakes work out how much margarine he needs Here's the list of ingredients for making 12 small cakes 180 margarine 180 sugar 200 plain flour 1 teaspoon baking powder 2 eggs

1. What is the sum of the interior angles of a quadrilateral A. 720 degrees B. 540 degrees C. 360 degrees D. 180 degrees 2.

The width of the rectangle is 60% of it length which is 40 feet. What is the area of the rectangle?

Which best describes a way in which Naturalism differs from Realism? A. Characters are idealized. B. The effect of society and heredity on character is explored. C. The importance of nature is emphasized over that of humanity. D.

Find the equation of the line that cuts the y axis at y=-9 and whose slope is 1/7.

Math is often used to determine the correct dosage for medications; create scale drawings; graph data from scientific investigations. Given this information, what conclusion can be made about mathematics? A.

A car is 200 km from its destination after 1 hour and 80 km from its destination after 3 hours.

Consider the equation x-3=5. a. Multiply both sides of the equation by a constant, and show that the solution set did not change. Now, multiply both sides by x. b. Show that x=8 is still a solution to the new equation.