Simplify the following expression, 4.2x+4.7=18.6

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Thirteen bowlers were asked what their score was on their last game. the scores are shown below 190,150,154,194,181,190,170,151,170,178,161,180 find the range of the bowlers score a.56 b.44 c.34 d.23