Which expression represents the phrase "4 more than the product of 8 and n."

Which expression is equivalent to 2x^2+7x+4?

Write the equation in logarithmic form 8^x=64

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!