The decay rate, k, for a particular radioactive element is 2.5%, where time is measured in years. Find the half life of the element. (Round to one decimal place)

A rectangle prism has a height of 4 millimeters and width 5 millimeters. The total surface area is 166 square millimeters, what is the length of the prism?

Ted estimated 10.3 * 3 to be 30 and Alice estimated 12.1 * 2 to be 25. Which statement is correct? Ted and Alice both overestimated Ted and Alice both underestimated Ted overestimated and Alice underestimated Ted underestimated and Alice

How many and what type of solution (s) does the equation have? 4p^2=12p-5 2 irrational solutions 1 rational solution 2 rational solutions 2 non-real solutions

Natasha, Peter and Malachy share?56 in a ratio 1:1:2. How much money does each person get? Natasha:? Peter:? Malachy:?

Serena has a summer job as a lifeguard at the neighborhood pool. She earns $240 a week. By rounding her weekly income to the nearest hundred dollars, find a reasonable estimate for her total income during the 11-week summer. A. $2000 B. $2200 C.

Select each expression that is equivalent to 3 (n+6) select all that apply A. 3n+6 B. 3n+18 C. 2 (n+6) + n D. 2 (n+6) + (n+6) E. 2 (n+6) + n

Find the sum of the polynomials below. (8x9 + 6x6 - 2x + 6) + (9x9 + 4x6 + 9x + 7) A. 17x9 + 10x6 + 7x + 13 B. 10x9 + 17x6 + 7x + 13 C. 72x9 + 24x6 - 18x2 + 13 D. 17x9 + 10x6 - 7x + 13

Find four consecutive integers such that three times the sum of the first two integers exceeds the sum of the last two by 70.

Factor completely. 36y^2-x^2

A weather forecaster predicts that the temperature in antarctica will decrease 8°f each hour for the next 6 hours. write and solve an inequality to determine how many hours tt it will take for the temperature to drop at least 36°f.