Ve for C 22. A painter can paint 180 square feet in 30
minutes. How many square feet can he
paint in 120 minutes?
a. 4 sq ft
b. 1000 sq ft
c. 3600 sq ft
d. 720 sq ft

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c