3) Mirror image of the point (-1,2) on y-axis is: a) (1, -2) b) (2, -1)
c) (2, 1)
d) (1,-2)​

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120