probability
A bag contains 5 red balls and 3 blue balls. What is the probability of drawing a red ball?
5/8
Solve for x in the equation √(x + 7) = 5
18
What is sin(30°)?
1/2
Solve the quadratic equation x² - 5x + 6 = 0.
2, 3
In a deck of cards, what is the probability of drawing an Ace?
1/13
If z varies inversely as w and z=8 when w=2, what is z when w=4?
4
y² -16=0
+/- 4
cos(60°)
1/2
x² + x -12 =0
(3, -4)
A die is rolled once; what is the probability that it shows an even number?
1/12
If p varies directly with q and p=24 when q=6, find p when q=10.
40
√z + √z-1 =7.
25
tan(45°
1
x^2 + x +1
no real solutions