Identify the radius and center.

x^2 + y^2 + 2x + 4y + 1 = 0

Evaluate (x^-2y^0) / (x^3y^-2) when x = 2 and y = 5. a. 25/2 b. 25/32 c. 50

Can someone explain to me how integers work?

What happens if an atom loses a neutron? Its mass stays the same, and it becomes a different element. Its mass stays the same, and it is still the same element. Its mass is lowered, but it is still the same element.

two dice are rolled, find the probability that an even number appears on the first and the number 5 appears on the second die

At a large local university, 40% of the students live in the dormitories. A random sample of 80 students is selected for a particular study. The probability that the sample proportion (the proportion living in the dormitories) is between 0.30 and 0.

Are a rational expression and its simplified forms equivalent? Provide mathematical examples to support your opinions.

Select all the correct answers. Aisle 2 of a furniture store stocks 4-legged chairs, 4-legged tables, and 3-legged stools. If there are t tables, c chairs, and s stools, which expressions show the total number of furniture legs in aisle 2?

Assume a round of golf requires four hours of leisure time, and attending a concert requires two hours. If the price of a round of golf is $40 and the price of a concert is $80, ceteris paribus, Joe will play

Hans is planting a garden with snapdragons and daisies. The table shows some possible combinations of the two plants. If Hans plants 29 daisies, how many snapdragons will he plant?

Find the greatest common factor (GCF) for each number set 1. 4,10 A. 1 B. 2 C5 2. 25,50 A. 1 B. 5 C. 25 3. 56.63 A. 1 B. 6 C. 7 4. 12,24,48 A. 2 B. 12 C. 24 5. 96,120 A. 2 B. 12 C. 24