Which variable expression matches the word phrase?

1.
the sum of 12 and the quotient of 9 and a number

2.
the difference of 12 and the product of 9 and a number

3.
the difference of 12 and the quotient of 9 and a number

4.
12 more than quotient of a 9 and number

a.
12 + (9 ÷ y)

b.
12 – (9 ÷ y)

c.
12 – 9y me

Yosef can eat 21 jamuns while rose can eat just 15 . complete the blank. yosef can eat % more jamuns than rose.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Look at the hyperbola graphed below. the hyperbola gets very close to the red lines on the graph, but it never touches them. which term describes each of the red lines? o o o o a. asymptote b. directrix c. focus d. axis