(10. Ria and John started walking at constant speeds from the same spot in opposite directions along the beach. After they had walked for 30 minutes, they were 4km apart.
Rita's speed was 3.5km/h. What was John's speed?​

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

Find the values of the variables in the kite