Select all that apply. which lines have a slope of -2?
i cant fail this

line a

line b

line c

line d

Find the x-intercept and y-intercept of the line. 3x + 5y = −15

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

To determine the number of deer in a forest a forest ranger tags 280 and releases them back