Y is inversely proportional to x

when y=7, x=9

a) work out an equation connecting y and x

b) work out the value of y when x=21

Factor: 24mn - 16n 8m (3n - 2) 8n (3m - 2) 3m - 2 8mn (3m + 2n)

Stayed gave an answer of 6 6/7 for the problem 4 2/7 times 1 3/5. Using estimates, is this a reasonable answer?

You type 200 words in 5 minutes. Brenda types 240 words in 6 minutes.

There are three different routes connecting city A to city B. How many ways can a round trip be made from A to B and back? How many ways if it is desired to take a different route on the way back?

Recognizing Right Triangle Scenarios Which scenario cannot be modeled by a right triangle? A 13-foot ladder is placed 5 feet away from a wall. distance from the ground straight up to the top of the wall

A rule for creating a pattern is given below. The rule begins with a number called the input and creates a number called the output. Rule: Multiply the input by 666 to get the output.

Let (2x-12) degrees represent the measure of an acute angle. What are the possible values of x?

What is the measure of the angle whose supplement is four times it's compliment?

We were assigned this worksheet today and I don't really understand it.

A shipping company damaged 15 packages. Each package was valued at $175.50. Which expression represents this situation? A. 15 x (-$175.50) B. 15 + $175.50 C. 15 - $175.50 D. 15 : (-$175.50)