Determine the sum or difference? - 14-25

6390 In scientific notation (no decimal)

At a basketball game, sheena bought a sandwich for 6.95 and two pretzels for 2.75 dollars each. She paid with a 20 dollar bill. How many change did she receive?

The teacher gave this pattern to the class: the first is 5 and the rule is add 4, subtract 1. Each student says one number. The first student says 5. Victor is in tenth in line. What number should Victor say? (I know it's below 30)

Los 2/7 de los vecinos de la casa de ángel son extremeños y la cuarta parte de estos son de Cáceres sabiendo que hay seis vecinos de Cáceres cuantos hay en la casa de ángel

Evaluate - 6 minus parentheses - 1 parentheses

Slope = - 7 and y-int = 25

Kim watered her garden every day for 2 weeks and 4 times a week for 3 weeks. How many times did Kim water her garden during the 5 weeks?

At the grocery store watermelon costs $1.27 per pound. If Heather buys a 5.5 lb watermelon, which proportion could she use to find out how much it will cost, c?

What os 638 diveded by 6?

You want the volume of the box to be 9 cubic inches. Find the rational solution (s) of the equation. Then use polynomial long division to find the other solution (s). What are the possible side lengths of the box?