Evaluate [3/5 + 6) + 21=7

23/7

3

5

A convex quadrilateral with congruent diagonals is a?

Phil has to pick two sports to write a report on. If there are 8 possible sports to choose from, how many different combinations of pairs are possible? A. 28 pairs B. 12 pairs C. 18 pairs D. 10 pairs

What is the sum of 5, - 7

A federal agency responsible for enforcing laws governing weights and measures routinely inspects packages to determine whether the weight of the contents is at least as great as that advertised on the package.

Calculate the total cost, including 7.5% sales tax, of a $189.99 tool set.

Describe the relationship between the value of a dollar and the value of a dime

X^2 when x=1/8 I don't understand what it means

A school purchases jars of marbles. * Each jar contains 500 pieces of marbles. * Each jar costs $10. How much does the school have to charge for each piece of marbles to make a profit of $25 per jar? a. $0.07 b. $0.10 c. $0.14 d. $0.25

John painted 4/5 of his house the first day and 1/10 of the house the next day. What fraction of his house is left to paint?

X^2 + y^2=40 and y=x-4 solve this simultaneous equation