Evaluate 1023 - 4y? when x = 5 and y = 4

There are two equal groups of 8 books on the Shelf one group has reading books in the other three of the books are math books and the rest of the science books how many science books are there

The measure of an angle is 23°. Find the measure of the complement.

One of the tallest living men has a height of 249cm. One of the tallest living women is 228 cm tall. Heights of men have a mean of 170 cm and a standard deviation of 7cm. Heights of women have a mean of 158 cm and a standard deviation of 3 cm.

Given k = m - (100) / (1+t). Find the value of t when k = 50 and m = 2k.

Find the product of (b+2) (b-1)

Identify the dependent variable in this relationship a person washes c car and earned a total of the d dollars

Which expression is undefined A. - 8: (-8) B. - 8:8 C. 0:8 D. 8:0

The perimeter of a triangle is 19z-7. One side is 5z-9 and one side is 8z+3. What is the remaining side?

Your flight covered about 3610 miles in 33.5 hours. Find the unit rate in miles per hour.

Four bells toll at intervals of 8,9,12and 15 minutes respectively. if they toll together at 3 p. m., when will they toll together next.?