Target #3 The four concentric circles shown have diameters 10 cm, 14 cm, 20 cm and 28 cm. What is the total area of the shaded regions? Express your answer to the nearest whole number ?

Carlos has 4/5 of a tank of fuel in his car. he uses 1/10 of a tank per day. how many days will his fuel last?

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?