HELP A new mixture of self-tanning & moisturizing lotions for everyday use is being developed. This mixture is made by mixing 500 ounces of everyday moisturizing lotion
for $0.50 per ounce with self-tanning lotion worth $2 per ounce. If the new self-tanning & moisturizing lotion mixture is to cost $1.40 per ounce, how many ounces of
the self-tanning lotion should be in the mixture?

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)