Give a recursive definition for the set X of all natural numbers that are one or two more than a multiple of 10. In other words, give a recursive definition for the set {1, 2, 11, 12, 21, 22, 31, 32, ... }.

Which of the following is the perpendicular bisector theorem

What is the meaning is obtuse in regards to geometry?

Solve the given equation. State the number and type of roots. x2 + 2x - 48 = 0

Al saves pennies. He agreed to give 3/5 of his pennies to Bev if she would give 3/5 of what she got from Al to Carl and if Carl in turn would give 3/5 of what he got from Bev to Dani. Bev, Carl, and Dani agreed and Dani received 297 pennies.

Which ratios are equivalent to 30:20. 40:30, 10:0, 3:2, 6:2.

Find the slope of a line with the rise as 3 and run as 4

Janet, Rose, and Tanya buy postcards from their favorite souvenir shop. Janet buys 3 postcards for &1.05. Rose buys 5 postcards for $1.75. Tanya buys 8 postcards for $2.80.

5. Thomas walked 1 1/4 miles from his home to his school. Jackson walks 1 2/3 miles from his home to work. How much farther does Jackson walk to school than Thomas?

Solve for 2. 5x - 4 > 12 AND 12x + 5 < - 4

If f (x) = 2x^2-4x-3and G (x) = 2x^2-16, findf (x) + g (x)