Which of the following equations is true?
a. 10⋅1=0+10 b. 1+1=1⋅1 c. 4+1=4⋅0 d.2⋅1⋅0=2+1+0

by definition, an arc subtended by a central angle of some given measure has the same measure. so .

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3