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?

Convert 5 1/8 to a fractional notation

You purchase a shirt for $8.50. There is a 6% sales tax. Your total cost will be A. $13.60 B. $9.01 C. $8.98 D. $8.55

Niko makes beaded necklaces in three different sizes. How many more beads does it take to make 2 large necklaces than 2 medium necklaces? Explain how you found your answer.

Stella and Brianna work at a furniture store. Stella is paid $190 per week plus 7% of her total sales in dollars, x x, which can be represented by g ( x ) = 190 + 0.07 x g (x) = 190+0.07x. Brianna is paid $407 per week plus 3.

Which of the following situations involves testing a claim about a single population proportion? Group of answer choices A certain prescription allergy medicine is supposed to contain an average of 245 parts per million (ppm) of a certain chemical.

Probability: There are 11 shirts in your closet, 6 blue and 5 green. You randomly select one to wear on Monday and then a different one on Tuesday. You wear blue shirts both days.

If a is a nonnegative real number, then which inequality statement best describes a?

Which equation has the steepest graph? A. Y = 7x + 3 B. Y = 8x - 1 C. Y = - 10x - 4 D. Y = - 2x + 6

in 1996 there were approximately 275 students in the Delaware high school band in 2002 that number increased to 305 find the annual rate of change in the number of students in the band?

What is the value of 4 to the power of - 3