Show:
4.2
4.3
100
What is 30% of 90?
27
100
Subtract: 2/3 - 1/6
1/2
200
Find the probability of drawing a black marble from a bag containing 7 black marbles and 13 red marbles.
7/20
300
What is the slope of the line connecting (2, -4) and (-3, 7)?
-11/5
400
What is the x-intercept of y= 3x - 4?
4/3
500
Simplify: 32 - 2(3 + 4x)
26 - 8x