The sides of a rectangle are (9x + 8) cm and (6x + 3) cm. Which expression represents its area?
Topic: Algebra
7 years from now, Rina’s father’s age will be 3 times Rina’s age. Rina is now 18. How old is her father now?
Solve the proportion: 4/6 = 4/x.
Expand: (a + 6)^2.
Simplify: (p^4)^5.
A line has slope 2 and y-intercept -4. Which equation represents the line?
Find an expression for the nth term of the arithmetic sequence: -6, -1, 4, 9, …
Solve the inequality: -6x + 6 ≥ 6.
Evaluate 4x – y – 6 when x = -4 and y = -1.
Expand and simplify: 6(6x + 7).
A shop charges a fixed delivery fee of 13 taka plus 12 taka for each folder. If the total cost is 145 taka, how many folders were ordered?
What value of x makes the equation 8x – 16 = 32 true?
Solve for x: 2(x + 4) – 7 = -7.
y varies inversely as x. If y = 4 when x = 6, what is the constant of variation?
Select all numbers that satisfy x ≤ 0.
What type of equation is 3x + 4 = 3x + 8?
The length of a rectangle is 10 cm more than its width. If the perimeter is 40 cm, what is the width?
A quantity decreases by 15% and becomes 102. What was the original quantity?
Factor: m^2 – 16.
Simplify: y^(-5), where y ≠ 0.
Solve the system: x + y = 2 and -x + 2y = -14.
What is the slope of the line passing through (3, 1) and (7, -7)?