Five added to a number gives the sum of 39. what is the unknown number?

Jessica is standing 20 feet away from a skyscraper in new york when she measures the angle to the top of the building as 88.8. how tall is the building?

1 3/5 + 2 5/10 what does that equal

Solve the equation for x. If a solution is extraneous, be sure to identify it in your final answer. square root of the quantity x plus 6 end quantity minus 4 equals x

The perimeter of a scalene triangle is 14.5 cm. The longest side is twice that of the shortest side. Which equation can be used to find the side lengths if the longest side measures 6.2 cm?

At noon the temperature on Jessica's porch was 75degreeF. Then the temperature dropped d degrees. By midnight, the temperature on the porch was 63degreeF. Write an equation with an expression equivalent to the temperature at midnight

A car is going 30 miles per hour and another car is going 75 miles per hour if the first car had a 60 second head start how long will it take for the second car to catch the first car

What is the domain of range of y=4 (1/3) ^x

7. Liang is ordering new chairs and cushions for his dining room table. A new chair costs $88 and a new cushion costs $12. Shipping costs $34. The expression 88c + 12c + 34 gives the total cost for buying e sets of chairs and cushions.

Write an equation in slope-intercept form with the slope being - 3 and y-intercept 1

How many new jerseys can fit in california?