PLS HELP!! ILL GIVE BRAINLIEST Round each decimal number to the nearest whole number. Then, select the best estimate for the subtraction equation 6.4 − 4.2 = ___.

1
1.5
2
2.5

What is the value of x in the following equation. -x ^3/2 = -27

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Find the maximum value of p= 4x + 5y subject to the following constraints :