The temperature is -2 c f the temperature rises by 15c, what is the new temperature? Use a number line

Can someone me do math because i am having a breakdown rn because i don’t get it

Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)