harriet has $25 in her savings account. she will add 5 dollars each week and not take any money out of her account which expression represents the amount of money in her savings account after next week​

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.

How many and of which kind of roots does the equation f(x)=x3−x2−x+1