Kendra was given this system of equations - 3x+7y=-15 - 2x-7y=5 Kendra's work is shown in the table. Where, if anywhere, did Kendra first make a mistake?

Katy spends 1/10+1/5+1/2how long did katy spend.?

Name the type of reasoning (if any) used in the statements below: 1. All mammals are warm-blooded. 2. An elephant is a mammal. 3. Therefore, an elephant is warm-blooded.

Write the phrase as an expression. a number pp divided by 22

Justin is making snowballs to build a fort on the winter break. Justin can build 15 snowballs in an hour. How long will it take him to build 210 snowballs?

Fifteen is increased to 27. What is the percent of change? A. 55.6% B. 37% C. 44.4% D. 80%

If A=16 degrees 55' and c=13.7, find a

What's the algebraic expression of "4 times a number cubed decreased by 7"?

Is the following argument valid? State why or why not. Use a truth table. If I like chocolate or ice cream, then I like candy. I don't like ice cream. Therefore, I like candy or chocolate.

Hershel buys 5 bags of cookies, 3 bags of granola, and several bags of fruit snacks from a bake sale. In total, he buys 10 bags from the bake sale. How many bags of fruit snacks did Hershel buy?

Estimate the number 7.616 to show that the number 76.16 is not correct.