The population of a local species of beetle can be found using an infinite geometric series where a1 = 880 and the common ratio is one fourth. write the sum in sigma notation, and calculate the sum (if possible) that will be the upper limit of this population.

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

Sara has been reading about different types of financial grants, including federal pell grants, academic competitiveness grants, smart grants, and teach grants. which statement about these grants is true? filling out a fafsa will not her apply for these grants. she will not have to pay back any funds she receives from these grants. these grants only go to students with less than a 3.0 gpa. she will have to pay back all the funds she receives from these grants.

What is the period of the sinusoidal function ?