Amountain climber is at an elevation of 10,000 feet. if she descends 2,000 feet a day, which equation would be used to show how many days it will take to reach sea level (0 feet)? 10,000 ÷ 2,000 -10,000 ÷ 2,000 -10,000 ÷ (-2,000) 10,000 ÷ (-2,000)

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x. which term can she add to the polynomial that would not change its grestest common factor? check all that apply

Write the rational number in lowest terms 99/-15

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true