If seven x multiple by 3 is 63, what is x?

Evaluate the function f (x) = -5e^x-1, for f (-3)

Can someone explain to me how highest common factors work?

What is the solution to the system of equations? 2x-y=7 y=2x+3

Remmi wrote the equation of the line y=1/3 (x+2). He solved for x and got x = 3y-2. Which of the following is an equivalent equation for x? 1. x = y - 11/3 2. x = y + 7/3 3. x = 3 (y - 2/3) 4. x = 3 (y + 2/3)

How do i find the derivative of

Equation. 5x+9=2, 7-6d=3, 1/3y-2=4,

Leo's townhouse has a market value of $310,000. The property in Leo's area is assessed at 40% of the market value. The tax rate is $145.10 per $1,000 of assessed valuation. The tax for Leo is

Which is the value of the digit 8 in Alaska population?

A new product price is increased from $7 to $11. What is the percent of change rounded to the nearest whole?

Who is the 18 president of the United States