5x 2y-1 x-1y

Are the diaganols of a rectangle perpendicular? A frog falls down a 20 feet well during the day it advances 3 feet at night he falls 2 feet how many days will it take to escape? Name and describe three methods of scientific statistical sampling? What type of triangle has three congruent sides and three congruent angles? What is 52 inch in mm? Is the reciprocal used to divide fractions? What is doubling time in electricity generation? How many gallons of water are there in Grecian pool size 16' X 35'X 5'deep? Who was the inventor of Pie? What is 265 times 4? How many thousandths are in 0.934? How many sheets of A5 can you obtain from one sheet of A1? How do change 1.88 as percentage? How many minutes is 1075 seconds? What is 12.68 divided by 1.5? How do you write out ten thousand and twenty-two? Is rhythmically an adverb? What is 115.48 watch 6 percent sales tax? What is police discretion? How many kinds of deviations?