У What is the area of parallelogram ABCD?
7
A
6
B
5
O 13 square units
• 14 square units
O 15 square units
O 16 square units
4
3
2
D
1
C
1
3
4
6
7
N
х

Which expressions are equivalent to the one below? check all that apply. 25x/5x a. 5x b. 5 c. 5x•5x/5x d. 25x e. (25/5)^x f. (25-5)^x

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10