a child places n cubic building blocks in a row to form the base of a triangular design (see figure). each successive row contains two fewer blocks than the preceding row. find a formula for the number of blocks n used in the design. (hint: the number of building blocks in the design depends on whether n is odd or even.)

Henry just set up direct deposit from his employer to his checking account. the equation y=360x-126.13 represents the balance in henry's account if he deposits his weekly paycheck for x weeks. based on this equation, which of the following statements is true? a) henry earns $126.13 per weekb) henry made an initial deposit of $126.13c) before setting up the direct deposit, henry had overdrawn his accountd) when henry set up the direct deposit, he already had $360 in his account

Berikan satu kepentingan terhadap komposisi udara di atmosfera bumi

Which object has the least amount of kinetic energy? a. a car driving down a road b. a soccer ball rolling down a hill c. a bicycle locked to a bike rack d. a satellite orbiting earth