4. Determine if x = -2 is a solution to 4x + 7 <15.
a. TRUE
b. FALSE

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 (%)

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6