If a < b and c < d

is this valid?

a/c < b/d

Tim worker went to his bank. He deposited $72.15 and the teller credited $5.79 to his account for interest. If Tim's initial balance was $1,226.14, what will his new balance be? A.$1,148.20 B.$1,159.78 C.$1,292.50 D.$1,304.08

What is the magnitude of - 2a - 3b when a=3i+9j and b=4i-6j?

Variable p is 2 more than variable d. Variable p is also 1 less than variable d. Which pair of equations best models the relationship between p and d? p = d + 2 p = d - 1 p = d - 2 p = d + 1 d = 2p d = 2p - 1 d = 2p d = 2p + 1

Arrange 16/25,4/5,9/10,13/15 in descending order

Ms. Maya was handing out breakfast with Ms. Perez. They were in a race to see who could be most efficient and hand out the most breakfast Ms. Perez won! She handed out 9 more breakfast than Ms Maya.

10^m*10^n for m=2 and n=4

Convert 5 feet to inches. There are 12 inches in 1 foot. A) 15 inches B) 20 inches C) 50 inches D) 60 inches

How do u estimate 243*6

When solving fractions do u eliminate fractions?

What is the area of a rectangle if the length is 5 inches and the width is 2/5