Ann made a 33-step staircase using 18 toothpicks as shown in the figure. How many toothpicks does she need to add to complete a 55-step staircase?

Simplify each polynomial. 1. 6g + 8k - 9g + 2k. A. 3g + 10k B. - 3g + 10k C. 17gk D. 10k - 3 2. - 4x + 6x2 + 5x. A. 7x3 B. 6x2 + 9x C. 6x2 - 9x D. 6x2 + x 3. a2 + 5a - 3a2. A. 5a + 2a2 B. - 2a2 + 5a C. - 3a2 + 6a D. 5a - 3a2 4. 3x2 + 8x + 7x. A.

A cell phone company charges a monthly rate of $12.95 and $0.25 a minute per call. The bill for this month is $21.20. How many minutes were spent on calls?

Solve the given differential equation by separation of variables. dy dx = xy + 5x - y - 5 xy - 2x + 6y - 12

6 to the 2 power = 12 True False

Given the domain of the function, find the corresponding range. f (x) = 4x - 1 Domain: {3, 7, 11, 15}

62dividw 7 what remains number

Write a rule for finding the value of any base with an exponent of 0

in a circuit, two resistors of 100Ω and 80Ω are connected in parallel. The parallel group is then connected in series with a 100Ω resistor. What's the total resistance of the circuit?

The reciprical of 1.4

Solve. 3 (x 2) = 12 x =