Select all equations that have infinitely many solutions.

A) 4+4x-9=8x+4 (x-9)

B) 9 (3x-5) + 7=-3 (7-8x)

C) 8x+4=2 (4x+2)

D) 4 (x-3) + 7=x - (5-3x)

Writing each ratio in simplest form 25 boys to 40 girls

5xy+15x+6y+18 Idk this

A rectangle has a perimeter of 6 feet. Choose all the possible dimensions of the rectangle.

There are 20 amino acids made from breaking down one protein molecule. If you break down 5 protein molecules, how many amino acids will you have?

Find as many different ways to make this equation true 24x18=

Katie wants to hang a painting in a gallery. The painting and frame must have an area of 45 square feet. The painting is 6 feet wide by 7 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?.

What does the 6/8 simplify to

At 7:00 a. m., the temperature in Belleville, Ontario was - 4°C. The temperature increased by 1°C each hour for the next 5 h. What was the temperature at noon?

Toms tunes: $60 per hour. Sabrina's sounds: $100 set up fee plus $40 per hour DJ Derek: $175 set up fee plus $30 per hour. for each DJ, write and equation that shows how the cost c relates to the number of hours x.

Identify the two variables that make up the relation described in this statement: The number of hot dogs sold depends on the price of the hot dog. Choose all that apply.