Provide an appropriate response.The process of measuring the ages of rocks, bones, pottery, or other solid objects that contain radioactive elements is called ________.
A. radioactive measuring
B. half-life
C. doubling time
D. radioactive decay
Answer: D
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Use the two steps for solving a linear programming problem to solve the problem.Suppose an animal feed to be mixed from soybean meal and oats must contain at least 100 lb of protein, 20 lb of fat, and 9 lb of mineral ash. Each 100-lb sack of soybean meal costs $20 and contains 50 lb of protein, 10 lb of fat, and 8 lb of mineral ash. Each 100-lb sack of oats costs $10 and contains 20 lb of protein, 5 lb of fat, and 1 lb of mineral ash. How many sacks of each should be used to satisfy the minimum requirements at minimum cost?
A. 
sacks of soybeans and 
sacks of oats
B. 
sacks of soybeans and 
sacks of oats
C.
| 2 sacks of soybeans and 0 sacks of oats |
D. 0 sacks of soybeans and 2 sacks of oats
Approximate the area of the triangle to the nearest tenth.a = 13.2, b = 17.4, c = 16.2
A. 107.5 B. 101.5 C. 104.5 D. 110.5
Find the area of the geometric figure.
A. 14.6 sq m B. 5.16 sq m C. 516 sq m D. 51.6 sq m
Solve the problem.Find k such that f(x) = x4 + kx3 + 2 has the factor x + 1.
A. -3 B. 2 C. -2 D. 3