Min #calories is 1200. The brain requires 12% of those calories. How many calories does brain require

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Write the equation in logarithmic form 8^x=64

If a is a nonzero real number then the reciprocal of a is