Simplify 20 sin 2ø sec 2ø

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10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq