Find a measure of the arc or central angle indicated. Assume that lines appear to be diameters are actually diameters

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?