12 The temperature in Berlin is -7 °C and the temperature in Istanbul is -3°C.
(a) Write down how many degrees colder it is in Berlin than it is in Istanbul.
Answerta)

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.