Select the letter of the correct answer. Ecuador has 52 volcanoes, but only 17 are active. Approximately what fraction of Ecuador's volcanoes is inactive?

A. 2/5 volcanoes

B. 2/3 volcanoes

C. 1/3 volcanoes

D. 5/2 volcanoes

1. 3x2 + 6x Factor the polynomial

Which is the best estimate of 90/70 divided by 1 3/4

Solve for x. 2x-4/5=x+4

A square has a perimeter of 32 feet. What is the length of each side?

Kayak: $329.95,33% off

What is the y-intercept form of " (3,-2) and (-3,-12) ?"

A quadrilateral with 90 degree angles is shown. The lengths of the left and right sides are 10 and 2 y + 4. The lengths of the top and bottom sides are 18 and 10 + 2 x. What is the value of x?

2,653 rounded to the nearest hundred

the initial cost to drill a well is $21000. The daily rate to operate the well is $500. the current selling price is $65 per barrel of oil and the well is expected to produce 115 barrels per day. What would be the revenue for one day?

Elisa needs 40 shirts for a charity. One store is selling shirts for $6.95 each. Another store says that the total for al 40 shirts will be $325 with a 20% discount. Which store should Elisa buy shirts from? Shirts for $6.