Radium 226, which had been used for cancer treatment, decays with half-life of 1622 years. Suppose there is 2.3gram sample of Raduim 226. How long will it take to have 1.7 grams remaining?

What is the focal length of the parabola whose graph is shown? focus: (-3, 2.6) and directrix: (-0.6)

Problem: Find the sum of the constants a, b, c and such that 2x^2-8x+7=a (x-h) ^2+k for all real numbers

Evaluate. Be smart, (2.31∙5.82+4.18∙2.31+90∙2.31) : 2.31∙0.55

Does y=2x+3 have a solution

What is the value of x to the nearest tenth tan 64 degrees = x/7

Which expressions are equivalent to 5 x minus 15? Select three options. 5 (x + 15) 5 (x minus 3) 4 x + 3 y minus 15 minus 3 y + x Negative 7 y minus 6 x minus 8 y + x Negative 20 minus 3 x + 5 + 8

Which statement is true about f (x) = square root x

Two times the smallest of three consecutives even integers is four more than three times the largest. Find the integers.

If f (x) = 8x and g (x) = 2X+1 find (fog) (x)

Write an expression that represents the product of Q and 8:4