When the sum of a number and 7 is multiplied by 5, the result is 20 what is the number

What is the solution to the following system? 3x+10y-12z=40 x-5y=0 x-4z=0

Find the value of the function sin460

If a⊕ b=a^3-b, and c=101010101010101010 is an 18-digit number, what is c⊕ (c ⊕ c) ?

Molly has 9 cups of flour. If this is 3/4 of the amount she needs to make bread, how many cups does she need

Volume is the amount of space an object takes up. False True

Ricky saves $7 each week. use rounding to estimate the amount he will have saved after 1 year. write a number sentence to show your work.

Solve for j (show steps) k (j - 3) = m solve for x (show steps) 3 (8-x) + 12=102-6x (show steps) Jenna's piggy bank contains only quarters and dimes, with a total value of $6.05. The number of dimes is triple the number of quarters.

Simplify (7-5i) (-3+9i) - (5+6i) ^2

Mariah is debating whether to use a straightedge and compass or a computer drawing program to complete a construction of a regular hexagon inscribed in a circle.

the equation y=0.25x describes a proportional relationship between x and y. what is the constant of proportional