Mr. Johnson bought 1.8 pounds of grapes for $2.20 per pound. How much did the grapes cost Mr. Johnson to purchase? A. $3.96
B.$3.80
C.$0.40
D.$5.40

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2