How do you solve 834 divided by 4 using the area

Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10

8.74 rounded to the nearest whole number

Find the arc length of the semicircle. 7the grade