You push downward on a box at an angle 25° below the horizontal with a force of 750 n. if the box is on a flat horizontal surface for which the coefficient of static friction with the box is 0.61, what is the mass of the heaviest box you will be able to move?

Which will form a composite function?

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?