Find answers to your questions and expand your knowledge with IDNLearn.com. Our experts provide timely and precise responses to help you understand and solve any issue you face.
Answer:
the first one is 23
the second 18
the third 4.7
Step-by-step explanation:
10-2+15 = 8+15 = 23
x³-9 = 3³-9 = 27-9= 18
6.5-n= 6.5-1.8= 4.7