Solve the following equation for r2: Q = 2sL (T2-T1) / ln (r2/r1)

when: Q=1,500,000, s=30, T2=275, T1=22, L=10, r1=6.

Straight and vertical angles

What is the ratio of Tom's salary to Adam's salary if Tom's salary is $4,500 and Adam's salary is $7,500?

1) The data in the table below represents the pressure of the gas as the temperature changes. Plot a graph of the data, using the space below. Draw a trend line and calculate its slope.

What number must be added to the expression below to complete the square? x^2 - 22x

6 - 2 1/4 equals 1/2

Write these decimal fractions in words 42/100

I'm stuck on this question: Find the 3 consecutive numbers whose sum is 438. Can someone take me through it?

Enter the first 8 terms of the sequence with f (1) = 42 and f (n) = f (n - 1) - 5 for each whole number greater than 1.

Which of the following values is the solution of x/32 = 8? 4 24 40 256

Mr. Lopez buys shoes for his two children, Maria and Juan. Maria's shoes cost $28.35 with tax. Juan's shoes cost $30.97 with tax. How much did Mr. Lopez pay for Maria's and Juan's shoes?