Questions Q1.
Pens and pencils are sold in a shop
12 pencils cost £1.80
The ratio of the cost of a pen to the cost of a pencil is 7:3
Work out the cost of 5 pens.​

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

Acircle has a circumference of 7.850 units. what is its radius?