Answer:
15 percent off
Step-by-step explanation:
A=-3 and i think any value of 'a' makes those equation infinite solution because expression has same variable both side.
Answer:
The standard deviation is about 2.915
Step-by-step explanation:
Answer:
159
Step-by-step explanation:
5×7×3+ 9×6÷2×2
=105+54
=159 cm²