Answer:
£225
Step-by-step explanation:
[For percentage increase, add the percentage with 100, for percentage decreases substract the percentage from 100.]
100 + 25 = 125%
× 180 = £225
Answer:
geometric t2-t1
Step-by-step explanation:
divide the second term by the first to get the common ratio
Answer:
4
Step-by-step explanation:
because the sizes are the same
Answer:
x² + (y + 8)² = 81
Step-by-step explanation:
Centre (h,k) = (0,-8)
radius (r) = 9
(x - h)² + (y - k)² = r²
(x - 0)² + (y + 8)² = 9²
x² + (y + 8)² = 81
6.7 x 10x1. Move decimal once to the right to make 6.7
