What is the name of this polygon? 
GEMDAS/PEMDAS
grouping symbols/parenthesis, exponents, multiplication/division, addition/subtraction
What is cos of 60 degrees?
What is 1/2?
expand log(7/4)
What is log7-log4?
Sarah buys a notebook for $3 and some pens for $1.50 each. If she spends a total of $10.50, how many pens did she buy?
5 pens
What kind of angle is this?
What is an acute angle?
What is the quadratic formula?
what is
What is the value of x?

What is 24?
What is the end behavior of this function?
f(x)= -5x^4+6x^3+12x-4
Lim f(x) = -infinity
x->infinity
Lim f(x) = -infinity
x->-infinity
A student chose a number, multiplied it by 2, then subtracted 138 from the result and got 102. What was the number he chose?
120
What is the value of x? 
What is 10?
convert x^2+6x-7 into factored form
What is (x-1)(x+7)?
What is this called?

What is the Pythagorean Identity?
What is the x-cord of the hole in this function?
(4x-1)(x^2-9)
-----------------
(x-1)(x+3)
What is x=-3?
A salesman sold twice as much pears in the afternoon than in the morning. If he sold 360 kilograms of pears that day, how many kilograms did he sell in the morning and how many in the afternoon?
120 kg
What is the name of this geometric shape? 
What is an ellipse?
What is log2 (16)
What is 4?
What is this graph?
What is sin(x)?
f(x) = 3x - 1 and g(x) = x^2 + 2. Find fog(3)
What is 32?
Mary, Peter, and Lucy were picking chestnuts. Mary picked twice as much chestnuts than Peter. Lucy picked 2 kg more than Peter. Together the three of them picked 26 kg of chestnuts. How many kilograms did each of them pick?
6
What is line PQ called?
What is a transversal?
Simplify this radical √50
What is 5√2?
What is cot(3pi/4)?
What is -1?
What is the law of cosines formula?
c^2=a^2+b^2-2abcosC
A farming field can be ploughed by 6 tractors in 4 days. When 6 tractors work together, each of them ploughs 120 hectares a day. If two of the tractors were moved to another field, then the remaining 4 tractors could plough the same field in 5 days. How many hectares a day would one tractor plough then?
144