Ms. Singer can explain all of the steps to solve a complicated math problem in 20 minutes. Mr. Sparks can explain all of the steps to solve a complicated math problem in 15 minutes. If Ms. Singer and Mr. Sparks work together to explain a
complicated mathematics problem, how long will period 1 take to learn the steps to solve one complicated math problem,
rounded to the NEAREST minute

the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

mark brainliest!

what is the rest of the question? ?

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a