Factorise the following:

a) x + 3x - 4

b) x - 2x - 3

c) x + 2x - 8

Bob has 20 apples he give 4 away to marry and 3 away from Tom how many apples does he have left

What is the lowest number 3 5 and 8 can go into

Of the pairs of jeans sold at the jeans store, 45% are blue, 0.2 are black, and 1/8 are white; and the rest are other colors. What percent of the jeans are neither blue, black, nor white?

If the length of side A is 16 cm, the length of side B is 10 centimeters, and M sinA = 42 degrees, what is the measure of sinB? Round your answer to two decimal places.

What is the y-value in the solution to this system of linear equations? 4x + 5y = - 12 -2x + 3y = - 16 -4 0-2 0 2 05

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.