Solve the system of equations 9x + 2y = 11 and 9x + y = 1 by combining the equations

Opposite value of - 75 is

Problem Page A parachutist's rate during a free fall reaches 171 kilometers per hour. What is this rate in meters per second? At this rate, how many meters will the parachutist fall during 5 seconds of free fall?

About how many miles can a bumblebee travel in one minute if it Flys 6.4 mph

How can a scientific investigation be an adventure?

Calculate the area of a circle with radius of 2cm (1dp)

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.