Which expressions are equivalent? Select Equivalent or Not equivalent for each pair of expressions.

Equivalent Not equivalent
3(a−b) and 3a−3b
Equivalent – 3( a−b ) and 3a−3b
Not equivalent – 3( a−b ) and 3a−3b
2a(2+b) and 4ab
Equivalent – 2a( 2+b ) and 4ab
Not equivalent – 2a( 2+b ) and 4ab

Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?

Solve for x where 0 equation: cot^2x+2cotx+1=0

After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8