Two numbers have a sum of 23 and a difference of 7.

Part A: Write a system of equations to model this situation.

Part B: Solve the system of equations for the two numbers.

A scientist measures the air temperature in Death Valley, California, and records 50 °C. The expression 1.8c + 32 gives the temperature in degrees Fahrenheit for a given temperature in degrees Celsius c.

Find all solutions in the interval [0, 2π). cos x = sin x

If you cut a 12-inch loaf of bread into1/2 - inch slices, you would have slices of bread.

What affect does h = - 2 have on the parent function y=1/x?

The scale on a map is 1cm 7 km. if two cities are 12 cm apart on the map, what is the actual distance between the ctities

64x = 8 What is value of x that makes the equation true?

Which equations are aquivan to 3/4 + - 7/4 check all that apply

Battery was charged. when the charging began it was 23% full after 30 minutes of charging the battery was 89% full. how fast was the battery charged? How long did it take the battery to be funny charged?

93*10 of 6th power whole number

1) What is 61% of 7.2?