What conditions on (positive) numbers a, b, c, d will guarantee that every difference at every step in the expansion (a-b) (c-d) results in a positive number?

Which translation rule can be used to prove that triangle r (10,6), s (8,4), t (6,6) and triangle r' (7,4), s' (5,2) t' (3,4) are congruent? a) (x, y) → (x - 3, y - 2) b) (x, y) → (x + 3, y + 2) c) (x, y) → (x - 3, y + 2) d) (x, y) → (x + 3, y - 2)

a movie was sold out for four straight days. If 535 tickets were sold each day, how many tickets were sold in all?

Two six-sided number cubes are rolled. What is the probability that a product of 12 is rolled? Express your answer as a decimal. Round to the nearest hundredth if necessary.

Which is a better buy? A large pizza with a 16-inch diameter for $15.00 or a medium pizza with an 8-inch diameter for $7.50?

Which is more work, pushing with 115 N over 15 m or lifting 20 kg 10 m?

A local hamburger shop sold a combined total 804 of hamburgers and cheeseburgers on Thursday. There were 54 more cheeseburgers sold than hamburgers. How many hamburgers were sold on Thursday?

Kaitlyn spent 4/10 of an hour reading a book. Did she spend most of the hour reading a book? explain

What is a ratio? I have been thinking about it and have not found an answer.

When negative five is subtracted from a number the result is 10. Fine the number

What is an Undifined slope?