Which orderd pair is a solution of this equation? 5x-7y=-23

You drive 390 miles in 6 hours

Curtis wants to build a model of a 180 meter tall building. He will be using a scale of 1.5 centimeters = 3.5 meters. How tall will the model be?

How to divide 546 divided 78

Round to the nearest ten and hundred 762

If the general term of a sequence is 4 then the sequence is

75% of the students who bought lunch yesterday ate chicken patties. If 120 students ate chicken patties, what was the total number of students who bought lunch?

Which of the following is a geometric series? A. 40 + 50 + 60 + 70 B. 40 + 42 + 44 + 46 C. 40 + 80 + 40 + 120 D. 40 + 20 + 10 + 5

A tent company has a tent design that is a triangular prism. The following is a net of the design. if a = 82 inches, b=83 inches, c=60 inches, and d=76 inches, how much fabric is needed to make the tent?

It takes Destiny y 4 hours to file all the daily paperwork. It takes Susan 5 hours to file the same paperwork. If they work together, how long will it take them?

If the mean for a sample of 8 people was 10 and the mean for a second sample of 4 people was 20, what would the weighted mean be equal to?