Penny is 100 centimeters tall. Jeremy is 38 inches tall. Who is taller

The vector matrix [2/7] is dilated by a favor of 1.5 and then reflected across the x axis. if the resulting matrix is [a/b] then a= and b=

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

Find the solution of this system of equation -7x+y=-20 9x-3y=36