Error analysis: a student writes the difference between 15 and the product of 5 and y to describe the expression 5y - 15.

Which of the following is the result of expanding

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

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?