Let f (x) = x^2-3x - 7 find f (-3) ...

choose 11,8,-7,-10 whats the answer one of these are the answers

Can segment lengths of 3cm, 4cm, and 6cm be used to form a triangle?

Are the fractions 15/45 and 45/135 equivalent? Why?!

A train is traveling at a constant speed of 79 m. p. h. If city A and city B are 395.1 miles apart, about how may hours will I take the train to arrive?

Tom is going to build a fence around his garden which is a rectangle measuring 8 m by 20 m. He will first put in posts which will be 4 m apart. If the posts cost $5.50 each, what will be the total cost for all the posts?

A student solved this problem and said the answer was 3 feet. Gina had two pieces of ribbon. One was 58 foot long and the other was 14 foot long. What was the total length of both pieces of ribbon combined?

1. Frank Choi bought a rechargeable lantern that regularly sells for $29.99. The markdown rate was 30% and there is no sales tax on the item. Find the final price of the item.

1. Draw a diagram to show how many 3/4 foot pieces of string can be cut from a piece of 4 1/2 feet long string. (How many times does 3/4 go into 4 1/2) 2. 1/12 divided by 5/6 3. 4 divided by 1/3 4. 8 divided by 2/3 5. 1 1/2 divided by 2/3 6.

Estimate the length, then, measurements each to the nearest unit

What is the outlier in the following data : 85,83,9,85,82,81,90

For each of the following situations, find the critical value (s) for z or t. a) H0 : pequals0.8 vs. HA : pnot equals0.8 at alphaequals0.05 b) H0 : pequals0.3 vs. HA : pgreater than0.3 at alphaequals0.01 c) H0 : muequals10 vs.