If a_1=5a 1

​

=5 and a_n=-2a_{n-1}a

n

​

=−2a

n−1

​

then find the value of a_4a

4

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David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.