18. Two pairs of parallel segments form the

"pound sign" on your telephone keypad. To find

the measures of all the angles in the pound sign,

how many angles must you measure? Explain.

Find the size of each interior angle in a regular octagon

2 (w-3) - 5w=-3 (w+3), what's the solution

Raj and Dev leave the school at 3:30 PM and cycle in opposite direction. If their speeds are 5km/hr and 7km/hr respectively, at what time they will be 18 km apart?

If two cards are drawn without replacement from an ordinary deck, find the probability of a queen of clubs and a 3 of spades being drawn.

Graph the following y-6=7 (x+1)

There are a total of 64 students in a drama club and a yearbook club. The drama club has 14 more students than the yearbook club. a. Write a system of linear equations that represents this situation.

What is the value of the number 6 in 45,769,331?

What is 25 mi/hr = ft/sec

The following are scores made on a math test. 80, 90, 90, 85, 60, 70, 75, 85, 90, 60, 80 What is the range of these scores?

The ratio of boys to girls at North Middle School is 3 boys to every 4 girls. If the seventh grade has 120 girls, how many total students are in the seventh grade?