12. At the start of the day, Grace Williams' checking account had a $201.87 balance. She used her debit card to pay $56.12 lor groceries and $28.45 for cleaning. Crace then
transferred $150 to her checking account from savings using her bank's ATM. She also
directed her bank to transfer funds electronically from her checking account to pay a
charge account bill oí $187.12. What was the balance of Grace's checking account at
the end of the day?

Consider the polynomials given below. p(x) = x4 + 3x3 + 2x2 – x + 2 q(x) = (x3 + 2x2 + 3)(x2 – 2) determine the operation that results in the simplified expression below. 35 + x4 – 573 - 3x2 + x - 8 a. p+q b. pq c.q-p d. p-q

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

92ft long and 48 wide resurface 2.75$