What is the simplified form of 1 over x minus 2 over x squared plus x ? (1 point) a x minus 1 over the quantity x times x plus 1 b 1 minus x over the quantity x times x plus 1 c 3 minus x over the quantity x times x minus 1 d x plus 2 over the quantity x times x minus 1

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

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244

Write the function for the graph. (1.8) (0,4)