Order of operations
Simplify [(3)(5) - 3)]/2
6
What is the solution to the following system?
x = 4y
2x + 3y = 22
(8,2)
2(3x - y)
6x - 2y
Write the number eight billion in scientific notation.
What is 8 x 10^9
4 + k = -8
k=?
k = -12
Simplify [(6^2)(5)-5]/25
7
Solve:
r + s = -6
r - s = -10
(-8,2)
-3(2x - 1)
-6x +3
Write the number 0.0000056 in scientific notation.
5.6 x 10^-6
10 = m/16
m=?
m = 160
Simplify (8+10)/(9)(5)-35
1.8
Solve:
2x + 3y = 6
3x + 5y = 15
(-15, 12)
3(-6 -2g)
-18 - 6g
At a storage warehouse, each crate weighs 1.5 × 10^2 pounds. If there are 6 × 10^3 crates, what is their combined weight?
900,000 lbs or 9 x 10^5 lbs
Solve for x.
5(6 - 5x) = -95
x = 5
Simplify [(9)(4)+14/2]^2
1849
The sum of two numbers is 104. Their difference is 68. What are the numbers?
86 and 18
-4(-9p - 5)
36p + 20
A farm that has 5 x 10^6 acres of land produces about 1.6 x 10^8 pounds of rice each year. How much rice does the farm produce per acre every year?
32 or .32 x 10^2
Solve for n.
-(n + 2) = 13 - 4n
n = 5
Simplify (12/3+5^2/2) - 0.5
16
A shopper bought 6 shirts and 8 hats for $700. A week later, at the same prices, he bought 9 shirts and 6 hats for $660. What was the cost of one shirt?
$30
-5x(3x + 4x2)
-15x2 - 20x3
A newborn panda weighs about 2.2 x 10^-1 pounds. An adult panda can weigh up to 1.2 x 10^3 times a newborn's weight. How much can an adult panda weigh?
About 264 pounds, or 2.64 x 10^2
Solve for x.
3(-6 +4x) = -38 +2x
x = -2