cho A là một ma trận có kích thước 3x5, B là một ma trận cỡ 2x5. Kính thước của ma trận X là bao nhiêu để XA=B?

What is the measure of angle afe? 79 81 91 99

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50

Shelly bought a house five years ago for $150,000 and obtained an 80% loan. now the home is worth $140,000 and her loan balance has been reduced by $12,000. what is shelly's current equity?