please help with only Numbers 7,8, and 9 Write C++ expressions. the problems that require a Boolean expression will provide a condition in which you must write an expression that evaluates to true only for values that makes the conditions true. The problems will provide variables that you must use to write the expressions. You cannot use any additional variables.

4. Determines if a day, day, fell on a Thursday in the month of February 2021. Answer 5. Determines if two numbers, s and t, are nonzero number with the same sign. Answ Operands={1,2,8,8} Answer: (1 * 8) + (2 * 8) 6. 7. Determines if an integer, p, is a positive three digit number. Answer: 8. Determines if an integer, x, is a multiple of both 3 and 7. Answer: 9. Answer: Determines if a character, c, is a uppercase vowel. 10. Operands={1, 5, 5, 9} Answer: (1 + Answer: (1 + 5) * (9-5)