algebra
what is result when you expand 3(x - 4).
3x - 12
Jeff has 12 apples and Mary has 11 apples. How many apples do they have altogether?
23 apples
what is the formula used to calculate basic wages.
hourly rate × hours worked
what is the standard formula used to find the area of a rectangle
length × width (or base × height)
what are the factors of the quadratic expression x2 2 + 5x + 6
(x+2) (x+3)
Zach made 46 cupcakes and gave 2 to Eva. How many cupcakes does he have left?
44 cupcakes
Working 20 hours at $15/hour gives what total pay?
$300
A square backyard has a side length of 12 metres. what is its total area.
144 square metres (144 m²)
what is the single fraction equal to x/2+ x/3
5x/6
Coach Mike had 36 basketballs and gave out 13 during recess. How many basketballs does he have left?
23 basketballs
Emma deposits $5,000 into a savings account earning 6% interest compounded annually. Which expression represents the total amount in the account after 3 years?
$5000 x (1.063)
what is the area of a triangle that has a base of 10 cm and a perpendicular height of 7 cm.
35 square centimetres (35 cm²)
what is the formula used to solve any quadratic equation ax2 + bx + c = 0, often called the "-b formula
x = (-b ± √(b² - 4ac)) / (2a)
After buying crayons for $98.99, Douglas has $9.61 left. How much money did Douglas have to begin with?
$108.60
Sarah earns a gross annual salary of $52,000. Her employer deducts 22% for taxes and a flat $150 per month for health insurance. What is Sarah's approximate net annual take-home pay?
38.760$
A rectangular room has a length of 12 meters and a width of 8 meters. If carpet costs $15 per square meter, what is the total cost to carpet the room?
$1440
what is the solution to the simultaneous equations x + y = 7 and x - y = 3.
x = 5 and y = 2
Cillian had 87 marbles. He gave 18 to Dylan and 6 to Sam. How many does he have left?
63 marbles
David invests $3,000 in an account that pays a simple interest rate of 4.5% per year. How much total interest will he earn after 4 years?
$540
An L-shaped room is formed by combining two rectangles: a 6 m by 4 m rectangle and an adjoining 3 m by 3 m rectangle. What is the total floor area?
33m2