Answer:
a. Of all the students, 
are girls with blond hair.
b. Of all the students, are boys without brown hair.
Step-by-step explanation:
a. You know that 
of the students are girls (This means that 
of the studes are boys) and 
of these girls have blond hair.
Then, of is:
Therefore, of all the students, are girls with blond hair.
b. You know that 
of the boys have brown hair.
Then, of is:
Of all the students, are boys without brown hair.
I'm confused, it shows y at a right angle = 90°
we can solve for x
(x-7) and (x-3) = x=7
The half life of a decaying substance is defined as the time at which the substance decreases to one-half of its original value. In this case, given hlf-life of 10 years and an original mass of 50 grams, after 10 years, the isotope mass becomes 50*0.5 or 25 grams. Answer is B.
Answer:
-14
Step-by-step explanation:
If you simplify the expression you get -14
The answer is heptagon because a heptagon is a shape with 7 sides, not 6. :)
