Let Aequals [Start 2 By 2 Matrix 1st Row 1st Column 1 2nd Column 4 2nd Row 1st Column negative 3 2nd Column negative 12 EndMatrix ]and bequals [Start 2 By 1 Matrix 1st Row 1st Column b 1 2nd Row 1st Column b 2 EndMatrix ]. Show that the equation Axequals b does not have a solution for some choices of b​, and describe the set of all b for which Axequals b does have a solution.

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? 1. define a variable for the situation. 2. write an inequality that represents the situation. 3.solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. 4. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Find the missing variable for a parallelogram: a = latex: 32in^2 32 i n 2 h = b = 6.3 in (1in=2.54cm)