Solve for x

3y - 4x = 20

True or false an perpendicular cd < cad ~cbd

it takes Maua 30 minutes to solve a logical puzzles and it take Amy 28 minutes to solve a logical puzzles use models to show the rate at which each student solve the puzzles in minutes per puzzle.

Square area of 1150mm^2

The number 40 is decreased to 39. What is the percentage by which the number was decreased, to the nearest tenth of a percent?

For her book club, sharon reads for 45 mins each day. Write an expression for the number of hours she reads in d days

Which expression can be used find 40% of 130? a. 26 x 5 b. 26 x 4 c. 26 x 3 d. 26 x 2

Order √3, 2π, and 1.5 from least to greatest.

The arithmetic mean of the monthly salary of two employees is $3210. One employee earns $3470 per month. What is the monthly salary of the other employee?

Write the expression in exponential form. log 3^9 = 2

Ariana has $1.40 worth of nickels and dimes. She had twic as many nickels as dimes. Determine the number of nickels and the number of dimes that Ariana has.