2.8= 4ft solve this question

How many grams must be adde to 970g to make 1 and a half kg

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')