Abag contains both black and red marbles. the ratio of black to red marbles is 3: 4.

a: what is the ratio of black marbles to the total number of marbles in the bag?
b: what is the ratio of red marbles to the total number of marbles in the bag?

select two answer choices. select one answer choice for question a, and select one answer choice for question b.

b: 4: 1
b: 3: 1
b: 3: 7
a: 4: 7
a: 3: 7
a: 4: 1
b: 4: 7
a: 3: 1
a: 4: 3
b: 4: 3

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.