Solve equation 100-6r=160-10r

Lucy's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Lucy $5.75 per pound, and type B coffee costs $4.10 per pound.

The figure shows a planetarium's viewing room, which is in the shape of a hemisphere. The diameter of the hemisphere is 50 feet. What is the volume of the viewing room of the planetarium? (Use 3.14 for π.

Mike can jog 6.5 miles per hour. At this rate, how many miles will he jog in 20 minutes

If angle A on a parallelogram is 60 degrees, then what is angle B?

Which trigonometric functions are equivalent to tan0? select all that apply. Answer choices -tan (-0) -tan0 tan (-0) tan (0+2pi) tan (0+pi/2

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.