Describe two lines that intersect and form right angles.

parallel lines

perpendicular lines

The lengths of three sides of a triangle are in the ratio 3 : 4 : 5. The perimeter of the triangle is 156 centimeters. What is the difference in length between the longest and shortest sides?

Como resolver fracciones mixtas

Find the equivalent expression for 3+2[2p+4t]

What's 12 + 4X when X = 1 1/2

What two things do we need to create an exponential function?

Which polygon in the floor plan have four equal sides and four congruent angles?

At the dog show there are 4 times as many boxes as spaniels. if there are a total of 30 dogs how many dogs are spaniels

Which pairs of polygons are congruent?

Eve is going to buy 30 pens from either shop A or shop B. Shop A: pack of 10 pens for £1.90 Shop B: pack of 5 for £1.10 buy 1 pack and get 1 half price. What is the difference in cost for all 30 pens between the two shops?

Simplify (3x2 - 2) + (2x2 - 6x + 3). 5x2 - 6x + 1 5x2 - 6x - 1 x2 - 6x + 1 5x2 - 8x + 3