Hour: Score: /10 Name: O2 PbSO; + 5) PbSO4 → Type of reaction: 6) NH3 + N216 + H2 12 → Type of reaction: 7) H2O+ SO, → H2SO4 Type of reaction: H2SO4 + 8) NH4OH) (NH2SO4 H2O + Type of reaction: I'm so confused HELP!!!​

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Which ordered pair is the best estimate for the solution of the system of equations? the graph of the system of equations : y = 3/2x +6 and y=1/4x - 2 , -3) .5, -3.5) , -4) , -3.5)

Need with son's homework i will give 30 ! show work daniel's house is located b miles from his school. the swimming pool is 3 miles farther from his school. his dr. office is 4 miles less than twice the distance from home to daniel's school. a. write an expression that shows the distance from daniel's house to the swimming pool. b. write an expression that shows the distance from daniel's house to his dr's office c. if b=3, is the swimming pool or dr's office closer to daniel's house? how much closer