Only in d. are the number related by multiplication (Multiplied by 3 each time to get the next number in the sequence).3 x 3 =99 x 3 =2727 x 3 = 81 etc....Read More
1. sometimes 2. never true3. sometimesstep-by-step explanation: these are pretty self explanatory if you know what supp right and com angles are...Read More