ASAP Please. Complete the square to rewrite the following equation. Identify the center of the circle. You must show all work and calculations to receive full credit.
X squared - 4X + Y squared + 8Y = -4

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?