I need to solve systems of equations by substitution these are the two equations

7x+

Y=-26

12x+11y=39

9 Minutes less than France time

Claudia says that she used the GCF to factor the expression 20x + 100xy as 20 (x + 5xy). Is she correct? Explain.

Square root 9x^2+2 - 3 limit

Stephen invests £7500 in an account which pays 5.5% compound interest per annum. Stephen has to pay 20% tax on the interest each year. the tax is taken from the account at the end of each year.

Gabriel bought 3 books that were all the same price he paid a total of $40.20. what is the cost of one book

What is the answer for (5 ft 6 in) * 4?

There were 25 words on a recent vocabulary test in English class, and Owen got four words wrong. What percent did he get wrong?

Which expression represents 76 decreased by an unknown number? A. 76:g B. 76-g C. 76+g D. 76g

If price was $2.00 per gallon and decreased to $1.40 per gallon, how does quantity of gasoline demanded change?

F (x) = 4x² + 6x - 2 Find f (-5)