Here are two number machines, A and B. Input
Output
А
х
x 5
4
B
Х
x3 -
+ 8
Both machines have the same input, X.
Work out the input that makes the output of A three times the output of B.
+

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

What is the area of the trapezoid shown ?