At the end of week 1, billie had collected 528 signatures. This is 44% of the numbers of signatures she needs. How many signatures does billie need to collect? (Test ends soon plz hurry)

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

Solve the equation by completing the square. x^2+2x=17

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?