Question 1 of 10 Which expression would be easier to simplify if you used the commutative
property to change the order of the numbers?
A. 40 + (-58) + 160
B. (-40) + (-30) + 28
c. 130 +- 70 + (-37)
OD.-+-) - 4
SUBMIT
Plss help

3. solve by graphing: y = 2x + 6 x + y = -3

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how