A manufacturer is producing two types of units. Each unit Q costs $9 for parts and $15 for labor and each unit R costs $6 for parts and $20 for labor. The manufacturer's budget is $810 for parts and $1800 for labor. If the income per unit is $150 for Q and $175 for R, how many units of each should be manufactured to maximize income? A bonus if you can provide an explanation ! TIA

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120

The probability that a tutor will see 0, 1, 2, 3, or 4 students is given below determine the probability distribution's missing value.