Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find the pH if [H3O+] = 3.5 × 10-7.
A. 6.7
B. 7.5
C. 6.5
D. -7.5
Answer: C
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Find the angles of the trignometric values in degrees. ? represents the unknown angle measure. cos ? = 0.3152
A. 71.6° B. 69.2° C. 69.19° D. 71.63°
Solve.$118,000 is borrowed to buy a house. If the simple interest rate on the 15-year loan is 12.25%, find the total amount paid on the loan.
A. $2,168,250.00 B. $334,825.00 C. $139,682.50 D. $216,825.00
Choose a valid conclusion, using all the statements for each argument. ? If we win third prize, we will go to Europe0. If we are ingenious, we will win third prize. We are ingenious. We will go to Europe0 (transitive and direct)We won't go to Europe0 (indirect)We won't win third prize (transitive and direct))
What will be an ideal response?
Simplify the expression by combining like terms.- 
x + 
y - 
x + 
y
A. 
x + 
y
B. - 
x + 
y
C. - 
x + 
y
D. - 
x + 
y