Mari and rob are making a poster for the science fair. They need to figure out how much a rock that weighs 7 pounds on earth would weigh on Mars. They know that they can multiply the amount the rock weighs on earth my 0.38 to find it’s weight on Mars. Which of these would you need to add to find the product of 7 and 0.38 pick all that apply 0.7 0.56. 2.66. 2.1. 0.38
Please answer ASAP

the answer is 96 degrees

step-by-step explanation:

you have to realize that a line equals 180 degrees

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval