How many pairs of parallel lines have in a trapezoid

A sample of 12 measurements has a mean of 8.5 and a sample of 20 measurements has a mean of 7.5. Find the mean of all 32 measurements.

Let f (x) = 2 ^ x; its inverse is f ^ - 1 * (x) = log2 x. If f (5) = 32, what is f ^ - 1 * (32) ?

One number is two less than another number. Double the first number is equal to triple the second number increased by 4

12:3714 what is the answer?

A new, trendy department store is experiencing exponential growth across America. The chain began in 2004 when it opened 16 stores in Texas. Since then, it has grown by 35% in new store openings each year.

What is 7.3 billion divided by 7?

What is the value of the expression shown below? 7 + (10 - 4) 2 : 4 * 1 over 2 to the power of 3 8 8 and 1 over 6 8 and 1 over 8 79

The cost to repair a car after a collision was $2,700. The automobile insurance policy paid the entire bill except for a $675 deductible, which the driver paid. What percent of the cost did he pay?

Which of the following equations represents the greatest value of x? Equation 1 x2 = 17 Equation 2 x2 = 26 Equation 3 x3 = 64 Equation 4 x3 = 27 a. Equation 1 b. Equation 2 c. Equation 3 d. Equation 4

Why are online payments services necessary