What is wrong with the expression 5a + 6 + - 5 (a + 2)

What are the values of x in the equation x (x-6) = 4 (x+6)

A soccer ball is kicked at an upward angle θ between 0° and 90°. Its initial vertical (y) velocity vy0is 19.6 m/s. It follows a parabolic trajectory and lands at the end of its range. How long (how much time) is the ball in the air?

A house is worth 125,000 when it is 2 years old and 135,150 when it is 7 years old. According to this model, how much will the house be worth when it is 16 years old

A single little brown bat can eat up to 1,000 mosquitoes in a single hour. Express in scientific notation how many mosquitoes a little brown bat might eat in 10.5 hours.

Solving using substitution and/or elimination method - 5x+6y=-8; x-4y=24

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.