25i need simplify: 4(6 + 7) a. 13 b. 17 c. 24 d. 52 simplify: 6(5 + 4) a. 9 b. 34 c. 54 d. 69 simplify 6y + 5z + 8y - 3z a. 11y + 5z b. 14y + 2z c. 14y + 8z d. 16yz simplify: 6m + 7n + 5m - 3n a. 11m + 10n b. 15mn c. 11m + 4+n d. m + 10n

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

2/3(-6y+9x) expand each expression using the distributive property

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is