How many moles is 1.46 g of hydrogen gas

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how