Daniel read 77 pages in \frac{2}{5} ​
of an hour. If he continues reading at the same rate, how many pages will he read in an hour?

720

step-by-step explanation:

first i did work 2nd i did work and 3rd i did work

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

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm

answer: im sorry i dont get it

step-by-step explanation: