How do i simplify - 5 (x+9) = -5

Verify each trigonometric equation by substituting identities to match the right hand side of the equation to the left hand side of the equation. cot x sec4x = cot x + 2 tan x + tan3x

21.) The sum of two consecutive integers is - 49. Write an equation that models this situation and find the values of the two integers. a.) n + n + 1 = - 49; n = - 24; n + 1 = - 23 b.) n + n + 1 = - 49; n = - 25; n + 1 = - 26 c.

Solve the equation x power of 2 = - 16

The prime factorizations of 30 and 42 are shown. 30 = 2 * 3 * 5 42 = 2 * 3 * 7 Which product is the greatest common factor of 30 and 42?

The sum of two numbers is - 3 and the difference of the two numbers is 11?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.