Is 4 a factor of 21x-12?

1. Billy purchased 20 gallons of gas for $45.00. If each gallon had cost $0.45 less, how many gallons could he have bought?

in tilton school there are 380 students in key stage 3 240 students in key stage 4 110 students in key stage 5 Phoebe is carrying out of a survey she needs a sample of 100 students stratified by key stage work out the number of students from

An engineer makes a model of a bridge using a scale of 1 inch = 3 yards. The length of the actual bridge is 50 yards. What is the length of the model?

M stands for a whole number greater than 10 and less than 20 n stands for a whole number greater than 2 and less than 10 1. What is the smallest number that m x n could be? 2. What is the largest number that m - n could be?

What is 47.8 to the nearest whole number

If you know the volume of a cylinder and that a cone has the same base and height of a cone, how would you determine the volume of the cylinder?

How do you write 72% as a fraction in simplest form?

Compare the functions shown below: f (x) = 4 sin (2x - π) - 1 g (x) x y - 1 6 0 1 1 - 2 2 - 3 3 - 2 4 1 5 6 h (x) = (x - 2) 2 + 4 Which function has the smallest minimum y-value?

What is the value of x in the equation, when?

One box of cake mix makes a maximum of 24 cupcakes. If the caterer needs 300 cupcakes for the event, what is the minimum number of boxes of cake mix he will need?