solve this ...

2y=x-3

50 decreased by twice a number

The masses of six chairs are 34.5 kilograms, 42.6 k, 39.8 k, 40.1 k, 53.4 k 33.8 k. Find the mean mass.

Fred buys a video game disk for $4.00. There is a discount of 20%. What is the sales price?

Which statements are true about the circle shown below? Select two options. A circle with radius 31.4 centimeters. The diameter is 31.4 centimeters. The diameter is half the radius. The circumference can be found by multiplying 2 (pi) (31.4).

What is 64 a + 132 s equals 1040

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.