Which diagram represents a fraction equivalent to 75%? A bar diagram with 14 shaded squares and 6 unshaded squares. A bar diagram with 8 shaded squares and 2 unshaded squares. A bar diagram with 15 shaded squares and 5 unshaded squares. A bar diagram with 7 shaded squares and 3 unshaded squares.

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

10 points? me . its important ‼️‼️