Triangle abc has the angle measures shown.
which statement is true about the angles?
ma= 20°
ma= (2x)
mb = (5x)"
mc = (11x)
mb = 50°
ma and m8 are complementary
ma+ mc = 120°

2-digit numbers less than 91 which are 1 less than a multiple of 10

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?