Answer:
Step-by-step explanation:
a=-7
r=21/-7=-3
The factor of <span>15xy − 45x − 6y + 18 is 3(y-3)(5x-2).</span>
Answer:
y = 9.6
Step-by-step explanation:
mark brainliest
Step-by-step explanation:
28. a=422000 (1+12%)^8
=1044856.46
29 a=13000 (1+15%)^-5
=6463.29
30 a=1250 (1+8%)^11
=2914.548
using compound interest formula
