Sally is y years old mike is the difference between 20 and Sally's age Joe is four years less than triple Sally's age

The surface area of a cube is 486 cm what is the value if the cube

How many 2ps are worth £2.48

Fruit: sugar is in the ratio 2:3. if 15kg of sugar is used how much fruit?

Anton joined a gulf club two years ago. He pays ana annual membership fee of $895 and a green fee of $30 each time he plays a game of golf. F (g) = 895+30g, where g represents the number of times he played golf during the year.

What are the lengths of the sides of a triangle that are - 3x, x + 8 and 3 - x if x = - 4 what is the perimeter of the triangle

Barry bought 9 small pizzas and 4 medium pizzas how many pieces did he get? what was the total cost?

On a graph of average speed, what happens to speed when the line is horizontal?

Emily writes a chain email and sends it to five friends. If each person who receives the email reads it within 5 minutes of the email arriving and then sends it to five other people, how many people (including Emily) will have read the email 15

Of the following numbers, which one is prime: 14, 13, 21, 33? A. 21 B. 13 C. 14 D. 33

What is the surface area of this triangular prism rounded to the nearest tenth? A) 18.5 m2 B) 36.9 m2 C) 43.6 m2 D) 87.2 m2