How to round numbers in math

Is the product of - 4 and - 7 positive or negative? Why?

The committee is planning a party and 180 guests are expected. Each bottle of juice contains enough for 16 servings. How many bottles of juice will be needed to give each person 1 serving? 11 12 164 2880

What is 2 7/8 plus 2 3/8?

L = 1 over 2 prt, solve for t

3. Juanita wants to buy a computer. She needs to earn at least 400 dollars. If she makes 9 dollars an hour and has already saved 40 dollars, how many hours does she need to work?

Harry drives a delivery van and has several deliveries to make. He is in Horseshoe Bay and has a delivery to make in Highcliffe. What is the approximate distance (to the nearest kilometre), by road, between Horseshoe Bay and Highcliffe?

600,000+80,000+10 in a form

See an algebraic equation to solve the problem. The sides of a triangle are in the ratio 3 : 4 : 5. What is the length of each side if that perimeter of the triangle is 90 cm?

You are ordering packaging for a product. Should you be more concerned with volume or surface area?

Use the drop-down menus to complete each equation so the statement about its solution is true. No Solutions 2x+9+3x+x= One Solution 2x+9+3x+x= Infinitely Many Solutions 2x+9+3x+x=