Write the equation. Lucy rides her bike 20 km every week how many km dose Lucy ride her bike in 7 weeks?

Which expression is not equivalent to the other expressions? A-6 (2x - 4) B - (12x - 6) + 18 C-3 (4x - 3) + 15 D-4 (3x + 6)

Sarafina had 34 out of 99 hits at bat during the softball season. what is her batting average. How do i get results without a calculator

A record label uses the following function to model the sales of a new release. a (t) = - 90t 2 + 8100t The number of albums sold is a function of time, t, in days.

The dimensions of an office conference room are 8 feet by 16 feet. If the conference room blueprint dimensions are 4 centimeters by 8 centimeters, what is the scale of the blueprint?

Consider the vector b⃗ with length 4.00 m at an angle 23.5∘ north of east. what is the y component by of this vector? express your answer in meters to three significant figures.

How do I identify the rate of change on a linear function?

Antarctica comprises about 10.5% of the total land area on Earth. Antarctica has a surface area of about 5,400,000 square miles. What is the total land area on Earth?

Dave bought 18 packets of cookies for $21.60. Each packet of cookies contains 20 cookies. find the cost of each cookie to the nearest tenth of a cent

A football field is sloped from the center toward the sides for drainage. The height h, in feet, of the field x feetfrom, the side, is given by h=-0. 00025x2 + 0 04x.

Cherie owes $6,230 on her Electronics Boutique credit card with a 20.4% interest rate. She owes $2,960 on her Miscellaneous Goods credit cards which has a 28.1% interest rate.