Given a = 4, b = - 2 and c = 8, evaluate ab - bc.

Solve for x in the equation x^2+14*+17=-96

Give an example of an odd polynomial of degree 3, which is zero when x=-3.

The diagram at the right shows the orthocenter of an acute triangle. Drag vertex C to form a right triangle and an obtuse triangle. Which statements are true about the orthocenter?

It takes Tom 1 hour to lay 30 bricks. He has to lay 180 bricks. Tom starts to lay the bricks at 9 a. m He has half an hour break at 11 a. m He has another half an hour break at 1 p. m What time should Tom finish laying the 180 bricks?

Find the area of a regular pentagon with side equal to 3 and apothem equal to k. 1.5k 7.5k 12k

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