Harry wants to go to a concert and buy a shirt from his favorite band. The tickets cost $190 and the shirt is $45. He has $50 so far saved up from chores. His mom will give him $15 every time he mows the lawn. Write an equation so show how many times will he need to mow the lawn in order to have enough money for the concert and a shirt.

Prove that 16^4-2^13-4^5 is divisible by 11.

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.5; upper quartile: 42 lower quartile: 14; median: 27; upper quartile: 46 lower quartile: 18; median: 27; upper quartile: 38 lower quartile: 16; median: 29.5; upper quartile: 42