Quincy uses counters to make a 3×2 array and a 3×4 array. what size array can he make using all of these counters? a. 6×6 b. 6×4 c. 3×6 d. 3×4

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

What is a possible solutions of the x> 3?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?