How do you find the answer to a missing number in an regulation 415,418,423,427,430?

elena said that finding 10% of 2,340 and multiplying that number by 3 is the same as finding 30% of 2,340. Is she correct? explain why or why not

What is the circumference of a circular courtyard that is 42 ft in diameter? C ≈ 66 ft C = 132π ft C ≈ 132 ft C ≈ 264 ft

What must be done to the expression x•6.78 to make it equal x? A. multiply by 6.78 B. subtract 6.78 C. subtract x D. Divided by 6.78 E. add 6.78

A T-shirt makes wants to open his first store. If he chooses the store on Main Street, he will pay $640 in rent and will charge $30 per T-shirt. If he chooses the store on Broad Street, he will pay $450 in rent and will charge $25 per T-shirt.

6xt3x - x+9 = 33 solve the equatolion

Why does3,600 dived by 6 have the same quotient as 1,800 divided by three

Which of these formulas is correctly written from the original formula to solve for b? a=2bc+d

For the sequence 3,9,27,81 ..., give a formula for its nth term:

25/3 as a mixed or whole number in simplified form

Suppose that F (x) = x^2 and G (x) = 2x^2-5. Which statement best compares the graph G (x) with the graph of F (x) ? A. The graph of G (x) is the graph of F (x) stretched vertically and shifted 5 units to the right B.