What uses numbers, variables and operations symbol?

The mean of people in the sample of households of 7th-grade students is 4.3. The mean of people in the sample of households for 8th-grade students is 4.5. What might Principal Coleman infer or predict about the entire population based on the data?

3/4 n + 7 = 28 - n n=?

A How does matter change from one state to another? B How is melting similar to solidification? How is it different?

4 teachers share 3 gallons of paint. How much paint does each teacher get?

21x + 7 In distributive property

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=