What is 7 exponent of 3 -4 x 3 + 8? the first operation is a)an exponent b)subtraction c) multiplication d) addition

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c