What is the missing reason in Step 8? Pythagorean theorem definition of cosine substitution properties of multiplication

8. a2 = b2 - 2bccos (A) + c2 8.?

8 out of 21 instruments in the band are woodwind. if there are 63 instruments in the band, how many more are not woodwinds than woodwinds?

Write an expression for "the product of 6 and q."

Which function forms an arithmetic sequence when x = 1, 2, 3, ... ? f (x) = - x/3 + 5 f (x) = - 2^x f (x) = 2x^2 f (x) = - 3/x + 5

Nadia is selling tickets for a school event. She has already sold 17 tickets. Her goal is to sell at least 100 tickets. Each day she is able to sell up to 10 tickets.

Use the given Functions to answer the question. f (x) = 4x^2 - 3x + 8 g (x) = - 6x^2 - 1 Which expression represents f (x) + g (x) ? 1. - 2x^2 - 3x + 7 2. - 2x^2 + 3x + 9 3. 2x^2 - 3x + 7 4. 2x^2 - 3x + 9

The time it takes to wash the dishes is uniformly distributed between 5 minutes and 13 minutes. what is the probability that washing the dishes tonight will take me between 8 and 11 minutes?

A pitcher on a baseball team has pitched 98 2/3 innings. What is the number of innings written as a decimal?

The perimeter of a rectangular wooden deck is 90 feet the decks length l is 5 feet less than 4 times it's with, w. Find the length and width of the wooden deck

The original price of a tractor was $55,000. The value decreases in value at a steady rate of 11% per year. What will the tractor be worth in 8 years? A) $21,651.24 B) $65,487.22 C) $45,591.35 D) $12,536.25

Write two verbal expressions for 2