Which pair of expressions is equivalent using the associative property of multiplication? a. 4(2a *5) = (4*2a) *5. b. 4(2a*5) = 4*2a*5

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?

Order 1100000, 314000, 965000, 1890000, from least to greatest.