Ajacket is on sale for 20% off the regular price. the sale price is $50. what is the regular price of the jacket?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?