If i graph shows the equation y=2x-1

if the graph is changed too y=2x-2 what effects does it have on the graph

1)the line becomes steeper
2)the line is translated up
3)the line is translated down
4)the line becomes less steep

What is the number 321,000,000 in scientific notation? also what is the number? ?

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3