If two lines are perpendicular which statement must be true

a. they have negative reciprocal slopes

b. they have the same slope

c. they have reciprocal slopes

d. they have oppsite slopes

Suppose you have a rectangle with a length 8 cm and width 3 cm. Now suppose the sides are doubled. Find the percent os increase in the perimeter

Choose exactly two answers that are correct. Which expressions could complete this equation so that it has an infinite number of solutions? 9x-3 (x+8) = ? A. 6x-24 B. 6 (x-3) + 6 C. 14+5x-34 D. 8 (x-3) - 2x

What would the answer be to 4c = 3

A population of voters contains 40% republicans and 60% democrats. it is reported that 30% of the republicans and 70% of the democrats favor an election issue. a person is chosen at random from this population is found to favor the issue in question.

Side length 6cm, 6cm, 4cm. How many different triangles can you make?

Explain why a square can be classified as a rectangle

Find the simple interest. principal = $10,400; rate = 12.5%; time = 11 years

Mr. Jackson ran 7/8 mile on Monday he ran 3/8 of a mile on Wednesday and 5/8 mile on Friday on witch day did Mr Jackson run the shortest distance

What is 0.2 reapted

In December, the total snowfall was 13.2 inches, which is more than the total snowfall in October and November, which was 3.7 inches and 6.15 inches, respectively. Write an inequality that relates the rational numbers.