How can I show my work for 257x66

Find the diameter of the circle with the given circumference. use 3.14 for pi C=23 cm

Jose is purchasing 4 dress shirts that cost $28 each and 2 pairs of pants that costs

Write an equation in standard form for the line that has an undefined slope and passes through (-6,4)

A mountain's peak is 1,224 meters above sea level while the valley is 39 meters below sea level. What is the elevation drop between the top of the mountain and the bottom of the valley?

A local grocery store sells apples $1.20 per pound, tax included. A shopper buys 1.4 pounds of apples from the store. He uses a coupon to save 10% off the total cost of the apples.

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.