Some pupils were asked which their favourite school subject was, from a choice of Maths, English and Science.
Some of the results are shown in the table.
Maths
20
Girls
Boys
Total
English Science
12
7
Total
38
25
70
How many pupils in total chose English as their favourite subject?

If 3x+8=3x+8 is it one solution or no solution

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?