A pile of 20 sheets of card is 1 cm high. How high is a pile of 50 sheets of card?

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

Determine whether the samples are independent or dependent. upper a data set includes the morning and evening temperature for the lasta data set includes the morning and evening temperature for the last 90 days.90 days.

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?