Answer:
A
Step-by-step explanation:
you move the a^1 to the left which becomes a^n-a^1. then you move (n-1) to the left as well which becomes a^n-a^1/n-1=d. you switch the places and tada, the answer.
235 x 40 = 9400
235 x 5 = 1175
9400 + 1175 = 10575
235 x 45 = 10575
Answer:
the unit rate of miles walked per hour is 21.1
it would take jessica 27.9 hours to walk 589 miles
Step-by-step explanation:
16700 divided by 789 is 21.1
589 divided by 21.1 is 27.9.
Monday = 3
Tuesday = 3 × 3 = 9
Wednesday = 9 × 3 = 27
Thursday = 27 × 3 = 81
Tim read 81 pages on Thursday
Well 3 1/4 is 3.25 and 2 1/2 is 2.50 and that subtracted is 0.75