If ∠8 measures 129°, what is the sum of the measures of ∠1 and ∠4?
a.
102°
b.
258°
c.
129°
d.
309°

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Consider the reaction 2x2y2+z2⇌2x2y2z which has a rate law of rate= k[x2y2][z2] select a possible mechanism for the reaction.

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is