Algebra 1
Geometry
Algebra 2
Pre-Calc
Mystery
100

Solve for x. 

4(x-7) = 0.3(x + 2) + 2.11

x = 8.3

100

The circumference of a circle is 30 𝝅. What is its area in terms of 𝝅? 

225 𝝅

100

(10 + √2)(12 - √6) = 

120 - 10√6 + 12√2 - 2√3


100

Condense the following expression into a single logarithm:

3 log x - 5 log y + 2/3 log z

log [(x3+z2/3)/y5]

100

No calculator allowed: 

6÷2(2+1) = 

9

200

What's the exact value of x. 

6 - (2/3)(x+5) = 4x

x = 4/7

200

In the figure shown, the circle has area 4 𝝅. What is the area of the square?

16

200

What is the inverse of the function 

f(x) = 4x + 5?

f-1(x) = x/4 - 5/4

OR f-1(x) = (x-5)/4

200

Simplify (3-5i)/(8+2i) into a fraction where there is no imaginary number in the denominator. 

(7-23i)/34

200


17, 20, 21

300

y ≤ -15x + 3000

y ≤ 5x

 In the xy-plane, if a point with coordinates (a,b) lies in the solution set of the system of inequalities above, what is the maximum possible value of b? 

750

300

What is the length of the side AC?


15

300

x2 + y2 + 4x - 2y = -1

The equation of a circle in the xy-plane is shown above. What is the radius of the circle? 

2

300

Simplify 5/(2x-3) - 3/(2x-3)2

(10x-18)/(4x2-12x+9)

300

What is the formula of an ellipse? 


400

Preparing for Walkathon, Kaila bought 2 blue wigs and 3 tutus for $43.90, Helen got 5 blue necklaces for $7.50, and Angelica paid $49.60 for 3 blue wigs and 2 tutus. If Tina wants to buy 1 blue necklace and 1 blue wig, how much should she pay? 

$13.70

400

If a triangle has an area of 900 cm2, and its three sides are 40 cm, 62 cm, 90 cm, what is the longest altitude of this triangle?

45 cm

400

Solve for x, y, and z.

x + y + 2z = 3

2x + y + 3z = 7

-x -2y + z = 10

x = 1, y = -4, z = 3

400

Calculate the value of x in the equation shown below:

log2(x+1) + log2(5x+1) = 6

x=3

400

The Math NHS officers are making a fruit salad for their next meeting. Helen bought 33 bananas for $2.73 each pound and each banana weighed .20045 lbs. Tina bought 60 watermelons for $5 each pound and each watermelon weighed 13.31 lbs. Kaila bought 119 strawberries and it costs $25.81 per 7 strawberries. Angelica bought 40 apples for $1.21 each pound and each apple weighed 5.20 lbs. Mrs. Dziatko brought a bowl large enough to contain the fruit salad for $.99 at the Dollar Tree. What was the total cost of the fruit salad?

$4702.50