two rulers and one pencil cost £2.40 five rulers and one pencil cost £5.10 work out the cost of a ruler and the cost of a pencil.

4 times the square of one number minus 5 times another number

Evaluate each expretion if a=2, b=3, and c=4 a+3b+8c

How can you describe angles formed by parallel lines and transversal?

Mary Lee bought a stove for $460. She made a down payment of $60 and paid $42 a month for 10 months. Find the total installment price of the stove.

Choose the missing step in the given solution to the inequality - x - 3 < 13 + 3x. -x - 3 < 13 + 3x -4x < 16 x > - 4

An acute angle is in a right triangle with cos 9/10. What is the value of sec?

If the length of a cube is 2x2y units. What is the volume of the cube?

Two neighbors purchased a square lot that is 85 ft on each side. They intend to split the cost of a fence that connects opposite corners of the lot. The cost to build the fence is $11.45 per linear foot.

If a road has a grade of 30°, this means that it's angle of elevation is 30°. If you travel 1.5 miles on this road, how much elevation have you gained in feet (5280 ft = 1 mile) ?

Select from the drop-down menu to correctly complete the statement about the given figures. Triangles PQR and MNO are (here it has a drop down menu I'll include those options below) Similar or not similar? Two right triangles, PQR and MNO.