<1 and <2 are complementary. Solve for the measure of <1. <1 = 12x + 4
<2 = 9x + 2

A. 52
B. 4
C. 38
D. 8.3

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Does anyone know how to do geometryme with this problem

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?