2 fathers and and 2 sons ate 3 eggs for breakfast, each eating exactly one egg. How could that be?
One is both a father and a son.
200
-1+1*1/1+1*1-1-1/1+1+1
1
200
Solve 2x^2+4=80
38^(1/2)
200
Solve 3e^x = 21
ln 7
200
Csc = ? / ?
hypotenuse/opposite
200
What is the midpoint of (1/7, 3/8) and (-1/4, 4,7)?
(-3/56, 53/112)
300
What is the fraction resulting in the decimal 0.7979797979797979.....
79/99
300
Solve x^2+6x=-8
x = -2 & -4
300
Solve log(3x + 1) = 3.
999/3
300
Without a calculator, find cos(pi/4).
2^1/2 / 2
300
There are several chickens and rabbits in a cage (with no other types of animals). There are 100 heads and 300 feet inside the cage. How many chickens are there, and how many rabbits?
50 Chickens & 50 Rabbits
400
What is the term used to describe the answer to an subtraction problem?
Difference
400
Expand (2-3i)(4+5i)
23-2i
400
Solve ln (3x) = 4
e^4/3
400
Without a calculator, calculate sin(3pi/2).
-1
400
What two numbers have a product of 50 and, when the larger number is divided by the smaller, a quotient of 2?
5 and 10.
500
What is the radius of the following circle? x^2 + 6x + y^2 + 8y = -3
22^(1/2)
500
What is the slope of the line between (-1,1/2) and (1/7,12)?
161/16
500
How long will it take for money invested at 4% to triple if compounded continuously?
27.5 years
500
Solve 2sin(3x) = 1 for x.
pi/18
500
Using eight eights and addition only, can you make 1000?